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Finding the Fourth Proportional to 563,149.04, 777,165.03 and 308,500.16

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Solution

The fourth proportional to 563,149.04, 777,165.03 and 308,500.16 is: 425,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,149.04 : 777,165.03 = 308,500.16 : x
  2. Step 2: Convert to fraction form
    563,149.04/777,165.03 = 308,500.16/x
  3. Step 3: Cross multiply
    563,149.04x = 777,165.03 × 308,500.16
  4. Step 4: Simplify right side
    563,149.04x = 239,755,532,215.58
  5. Step 5: Solve for x
    x = 239,755,532,215.58/563,149.04
  6. Step 6: Final answer
    x = 425,740.82

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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.