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Finding the Fourth Proportional to 539,152.56, 808,732.08 and 239,562.72

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Solution

The fourth proportional to 539,152.56, 808,732.08 and 239,562.72 is: 359,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,152.56 : 808,732.08 = 239,562.72 : x
  2. Step 2: Convert to fraction form
    539,152.56/808,732.08 = 239,562.72/x
  3. Step 3: Cross multiply
    539,152.56x = 808,732.08 × 239,562.72
  4. Step 4: Simplify right side
    539,152.56x = 193,742,056,836.06
  5. Step 5: Solve for x
    x = 193,742,056,836.06/539,152.56
  6. Step 6: Final answer
    x = 359,345.52

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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.