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Finding the Fourth Proportional to 526,520.40, 726,535.52 and 297,064.46

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Solution

The fourth proportional to 526,520.40, 726,535.52 and 297,064.46 is: 409,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,520.40 : 726,535.52 = 297,064.46 : x
  2. Step 2: Convert to fraction form
    526,520.40/726,535.52 = 297,064.46/x
  3. Step 3: Cross multiply
    526,520.40x = 726,535.52 × 297,064.46
  4. Step 4: Simplify right side
    526,520.40x = 215,827,885,035.62
  5. Step 5: Solve for x
    x = 215,827,885,035.62/526,520.40
  6. Step 6: Final answer
    x = 409,913.62

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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.