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Finding the Fourth Proportional to 572,969,897.70, 859,454,846.55 and 572,969,897.70

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Solution

The fourth proportional to 572,969,897.70, 859,454,846.55 and 572,969,897.70 is: 859,454,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,969,897.70 : 859,454,846.55 = 572,969,897.70 : x
  2. Step 2: Convert to fraction form
    572,969,897.70/859,454,846.55 = 572,969,897.70/x
  3. Step 3: Cross multiply
    572,969,897.70x = 859,454,846.55 × 572,969,897.70
  4. Step 4: Simplify right side
    572,969,897.70x = 492,441,755,505,522,688
  5. Step 5: Solve for x
    x = 492,441,755,505,522,688/572,969,897.70
  6. Step 6: Final answer
    x = 859,454,846.55

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.