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Finding the Fourth Proportional to 737,673.60, 1,018,000.80 and 451,132.80

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Solution

The fourth proportional to 737,673.60, 1,018,000.80 and 451,132.80 is: 622,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,673.60 : 1,018,000.80 = 451,132.80 : x
  2. Step 2: Convert to fraction form
    737,673.60/1,018,000.80 = 451,132.80/x
  3. Step 3: Cross multiply
    737,673.60x = 1,018,000.80 × 451,132.80
  4. Step 4: Simplify right side
    737,673.60x = 459,253,551,306.24
  5. Step 5: Solve for x
    x = 459,253,551,306.24/737,673.60
  6. Step 6: Final answer
    x = 622,570.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.