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Finding the Fourth Proportional to 525,897.80, 788,846.70 and 325,568.60

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Solution

The fourth proportional to 525,897.80, 788,846.70 and 325,568.60 is: 488,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,897.80 : 788,846.70 = 325,568.60 : x
  2. Step 2: Convert to fraction form
    525,897.80/788,846.70 = 325,568.60/x
  3. Step 3: Cross multiply
    525,897.80x = 788,846.70 × 325,568.60
  4. Step 4: Simplify right side
    525,897.80x = 256,823,715,733.62
  5. Step 5: Solve for x
    x = 256,823,715,733.62/525,897.80
  6. Step 6: Final answer
    x = 488,352.90

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Double scale
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Similar ratio
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1.5x scale

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.