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Finding the Fourth Proportional to 563,049.16, 777,006.67 and 304,925.30

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Solution

The fourth proportional to 563,049.16, 777,006.67 and 304,925.30 is: 420,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,049.16 : 777,006.67 = 304,925.30 : x
  2. Step 2: Convert to fraction form
    563,049.16/777,006.67 = 304,925.30/x
  3. Step 3: Cross multiply
    563,049.16x = 777,006.67 × 304,925.30
  4. Step 4: Simplify right side
    563,049.16x = 236,928,991,951.75
  5. Step 5: Solve for x
    x = 236,928,991,951.75/563,049.16
  6. Step 6: Final answer
    x = 420,796.28

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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.