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Finding the Fourth Proportional to 492,228.83, 738,366.69 and 239,207.87

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Solution

The fourth proportional to 492,228.83, 738,366.69 and 239,207.87 is: 358,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,228.83 : 738,366.69 = 239,207.87 : x
  2. Step 2: Convert to fraction form
    492,228.83/738,366.69 = 239,207.87/x
  3. Step 3: Cross multiply
    492,228.83x = 738,366.69 × 239,207.87
  4. Step 4: Simplify right side
    492,228.83x = 176,623,119,502.02
  5. Step 5: Solve for x
    x = 176,623,119,502.02/492,228.83
  6. Step 6: Final answer
    x = 358,823.19

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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.