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Finding the Fourth Proportional to 292,591.98, 438,843.14 and 92,886.48

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Solution

The fourth proportional to 292,591.98, 438,843.14 and 92,886.48 is: 139,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,591.98 : 438,843.14 = 92,886.48 : x
  2. Step 2: Convert to fraction form
    292,591.98/438,843.14 = 92,886.48/x
  3. Step 3: Cross multiply
    292,591.98x = 438,843.14 × 92,886.48
  4. Step 4: Simplify right side
    292,591.98x = 40,762,594,082.31
  5. Step 5: Solve for x
    x = 40,762,594,082.31/292,591.98
  6. Step 6: Final answer
    x = 139,315.49

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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.