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Finding the Fourth Proportional to 292,440.08, 438,594.56 and 134,516.88

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Solution

The fourth proportional to 292,440.08, 438,594.56 and 134,516.88 is: 201,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,440.08 : 438,594.56 = 134,516.88 : x
  2. Step 2: Convert to fraction form
    292,440.08/438,594.56 = 134,516.88/x
  3. Step 3: Cross multiply
    292,440.08x = 438,594.56 × 134,516.88
  4. Step 4: Simplify right side
    292,440.08x = 58,998,371,796.17
  5. Step 5: Solve for x
    x = 58,998,371,796.17/292,440.08
  6. Step 6: Final answer
    x = 201,745.16

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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.