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Finding the Fourth Proportional to 731,646.40, 1,025,004.80 and 731,646.40

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Solution

The fourth proportional to 731,646.40, 1,025,004.80 and 731,646.40 is: 1,025,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,646.40 : 1,025,004.80 = 731,646.40 : x
  2. Step 2: Convert to fraction form
    731,646.40/1,025,004.80 = 731,646.40/x
  3. Step 3: Cross multiply
    731,646.40x = 1,025,004.80 × 731,646.40
  4. Step 4: Simplify right side
    731,646.40x = 749,941,071,902.72
  5. Step 5: Solve for x
    x = 749,941,071,902.72/731,646.40
  6. Step 6: Final answer
    x = 1,025,004.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.