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Finding the Fourth Proportional to 604,429.80, 906,644.70 and 363,892.20

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Solution

The fourth proportional to 604,429.80, 906,644.70 and 363,892.20 is: 545,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,429.80 : 906,644.70 = 363,892.20 : x
  2. Step 2: Convert to fraction form
    604,429.80/906,644.70 = 363,892.20/x
  3. Step 3: Cross multiply
    604,429.80x = 906,644.70 × 363,892.20
  4. Step 4: Simplify right side
    604,429.80x = 329,920,934,501.34
  5. Step 5: Solve for x
    x = 329,920,934,501.34/604,429.80
  6. Step 6: Final answer
    x = 545,838.30

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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.