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Finding the Fourth Proportional to 492,259.68, 738,389.52 and 155,301.30

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Solution

The fourth proportional to 492,259.68, 738,389.52 and 155,301.30 is: 232,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,259.68 : 738,389.52 = 155,301.30 : x
  2. Step 2: Convert to fraction form
    492,259.68/738,389.52 = 155,301.30/x
  3. Step 3: Cross multiply
    492,259.68x = 738,389.52 × 155,301.30
  4. Step 4: Simplify right side
    492,259.68x = 114,672,852,362.38
  5. Step 5: Solve for x
    x = 114,672,852,362.38/492,259.68
  6. Step 6: Final answer
    x = 232,951.95

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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.