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Finding the Fourth Proportional to 292,250.40, 437,500.80 and 274,948.80

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Solution

The fourth proportional to 292,250.40, 437,500.80 and 274,948.80 is: 411,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,250.40 : 437,500.80 = 274,948.80 : x
  2. Step 2: Convert to fraction form
    292,250.40/437,500.80 = 274,948.80/x
  3. Step 3: Cross multiply
    292,250.40x = 437,500.80 × 274,948.80
  4. Step 4: Simplify right side
    292,250.40x = 120,290,319,959.04
  5. Step 5: Solve for x
    x = 120,290,319,959.04/292,250.40
  6. Step 6: Final answer
    x = 411,600.19

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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.