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Finding the Fourth Proportional to 706,502.40, 1,059,753.60 and 696,004.80

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Solution

The fourth proportional to 706,502.40, 1,059,753.60 and 696,004.80 is: 1,044,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,502.40 : 1,059,753.60 = 696,004.80 : x
  2. Step 2: Convert to fraction form
    706,502.40/1,059,753.60 = 696,004.80/x
  3. Step 3: Cross multiply
    706,502.40x = 1,059,753.60 × 696,004.80
  4. Step 4: Simplify right side
    706,502.40x = 737,593,592,417.28
  5. Step 5: Solve for x
    x = 737,593,592,417.28/706,502.40
  6. Step 6: Final answer
    x = 1,044,007.20

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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.