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Finding the Fourth Proportional to 603,562.62, 832,988.84 and 361,978.10

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Solution

The fourth proportional to 603,562.62, 832,988.84 and 361,978.10 is: 499,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,562.62 : 832,988.84 = 361,978.10 : x
  2. Step 2: Convert to fraction form
    603,562.62/832,988.84 = 361,978.10/x
  3. Step 3: Cross multiply
    603,562.62x = 832,988.84 × 361,978.10
  4. Step 4: Simplify right side
    603,562.62x = 301,523,711,649.57
  5. Step 5: Solve for x
    x = 301,523,711,649.57/603,562.62
  6. Step 6: Final answer
    x = 499,573.20

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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.