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Finding the Fourth Proportional to 480,574.97, 719,549.31 and 345,773.76

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Solution

The fourth proportional to 480,574.97, 719,549.31 and 345,773.76 is: 517,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,574.97 : 719,549.31 = 345,773.76 : x
  2. Step 2: Convert to fraction form
    480,574.97/719,549.31 = 345,773.76/x
  3. Step 3: Cross multiply
    480,574.97x = 719,549.31 × 345,773.76
  4. Step 4: Simplify right side
    480,574.97x = 248,801,268,030.27
  5. Step 5: Solve for x
    x = 248,801,268,030.27/480,574.97
  6. Step 6: Final answer
    x = 517,715.83

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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.