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Finding the Fourth Proportional to 572,133.70, 858,200.55 and 561,636.10

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Solution

The fourth proportional to 572,133.70, 858,200.55 and 561,636.10 is: 842,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,133.70 : 858,200.55 = 561,636.10 : x
  2. Step 2: Convert to fraction form
    572,133.70/858,200.55 = 561,636.10/x
  3. Step 3: Cross multiply
    572,133.70x = 858,200.55 × 561,636.10
  4. Step 4: Simplify right side
    572,133.70x = 481,996,409,919.86
  5. Step 5: Solve for x
    x = 481,996,409,919.86/572,133.70
  6. Step 6: Final answer
    x = 842,454.15

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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.