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Finding the Fourth Proportional to 637,270.80, 955,906.20 and 525,296.40

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Solution

The fourth proportional to 637,270.80, 955,906.20 and 525,296.40 is: 787,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,270.80 : 955,906.20 = 525,296.40 : x
  2. Step 2: Convert to fraction form
    637,270.80/955,906.20 = 525,296.40/x
  3. Step 3: Cross multiply
    637,270.80x = 955,906.20 × 525,296.40
  4. Step 4: Simplify right side
    637,270.80x = 502,134,085,597.68
  5. Step 5: Solve for x
    x = 502,134,085,597.68/637,270.80
  6. Step 6: Final answer
    x = 787,944.60

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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.