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Finding the Fourth Proportional to 611,064.80, 916,593.55 and 332,353.52

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Solution

The fourth proportional to 611,064.80, 916,593.55 and 332,353.52 is: 498,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,064.80 : 916,593.55 = 332,353.52 : x
  2. Step 2: Convert to fraction form
    611,064.80/916,593.55 = 332,353.52/x
  3. Step 3: Cross multiply
    611,064.80x = 916,593.55 × 332,353.52
  4. Step 4: Simplify right side
    611,064.80x = 304,633,088,168.83
  5. Step 5: Solve for x
    x = 304,633,088,168.83/611,064.80
  6. Step 6: Final answer
    x = 498,528.29

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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.