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Finding the Fourth Proportional to 292,399.52, 438,774.24 and 268,604.96

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Solution

The fourth proportional to 292,399.52, 438,774.24 and 268,604.96 is: 403,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,399.52 : 438,774.24 = 268,604.96 : x
  2. Step 2: Convert to fraction form
    292,399.52/438,774.24 = 268,604.96/x
  3. Step 3: Cross multiply
    292,399.52x = 438,774.24 × 268,604.96
  4. Step 4: Simplify right side
    292,399.52x = 117,856,937,710.28
  5. Step 5: Solve for x
    x = 117,856,937,710.28/292,399.52
  6. Step 6: Final answer
    x = 403,068.16

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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.