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Finding the Fourth Proportional to 292,029.60, 438,098.48 and 92,400.24

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Solution

The fourth proportional to 292,029.60, 438,098.48 and 92,400.24 is: 138,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,029.60 : 438,098.48 = 92,400.24 : x
  2. Step 2: Convert to fraction form
    292,029.60/438,098.48 = 92,400.24/x
  3. Step 3: Cross multiply
    292,029.60x = 438,098.48 × 92,400.24
  4. Step 4: Simplify right side
    292,029.60x = 40,480,404,695.64
  5. Step 5: Solve for x
    x = 40,480,404,695.64/292,029.60
  6. Step 6: Final answer
    x = 138,617.47

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1.5x scale

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.