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Finding the Fourth Proportional to 292,694.52, 438,842.04 and 155,938.08

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Solution

The fourth proportional to 292,694.52, 438,842.04 and 155,938.08 is: 233,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,694.52 : 438,842.04 = 155,938.08 : x
  2. Step 2: Convert to fraction form
    292,694.52/438,842.04 = 155,938.08/x
  3. Step 3: Cross multiply
    292,694.52x = 438,842.04 × 155,938.08
  4. Step 4: Simplify right side
    292,694.52x = 68,432,185,140.88
  5. Step 5: Solve for x
    x = 68,432,185,140.88/292,694.52
  6. Step 6: Final answer
    x = 233,800.71

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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.