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Finding the Fourth Proportional to 435,693.60, 653,637.60 and 341,215.20

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Solution

The fourth proportional to 435,693.60, 653,637.60 and 341,215.20 is: 511,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,693.60 : 653,637.60 = 341,215.20 : x
  2. Step 2: Convert to fraction form
    435,693.60/653,637.60 = 341,215.20/x
  3. Step 3: Cross multiply
    435,693.60x = 653,637.60 × 341,215.20
  4. Step 4: Simplify right side
    435,693.60x = 223,031,084,411.52
  5. Step 5: Solve for x
    x = 223,031,084,411.52/435,693.60
  6. Step 6: Final answer
    x = 511,898.92

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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.