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Finding the Fourth Proportional to 492,841.59, 739,353.50 and 155,967.04

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Solution

The fourth proportional to 492,841.59, 739,353.50 and 155,967.04 is: 233,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,841.59 : 739,353.50 = 155,967.04 : x
  2. Step 2: Convert to fraction form
    492,841.59/739,353.50 = 155,967.04/x
  3. Step 3: Cross multiply
    492,841.59x = 739,353.50 × 155,967.04
  4. Step 4: Simplify right side
    492,841.59x = 115,314,776,908.64
  5. Step 5: Solve for x
    x = 115,314,776,908.64/492,841.59
  6. Step 6: Final answer
    x = 233,979.39

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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.