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Finding the Fourth Proportional to 736,489.60, 1,102,401.60 and 577,859.20

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Solution

The fourth proportional to 736,489.60, 1,102,401.60 and 577,859.20 is: 864,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,489.60 : 1,102,401.60 = 577,859.20 : x
  2. Step 2: Convert to fraction form
    736,489.60/1,102,401.60 = 577,859.20/x
  3. Step 3: Cross multiply
    736,489.60x = 1,102,401.60 × 577,859.20
  4. Step 4: Simplify right side
    736,489.60x = 637,032,906,654.72
  5. Step 5: Solve for x
    x = 637,032,906,654.72/736,489.60
  6. Step 6: Final answer
    x = 864,958.46

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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.