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Finding the Fourth Proportional to 292,230.40, 437,470.80 and 274,928.80

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Solution

The fourth proportional to 292,230.40, 437,470.80 and 274,928.80 is: 411,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,230.40 : 437,470.80 = 274,928.80 : x
  2. Step 2: Convert to fraction form
    292,230.40/437,470.80 = 274,928.80/x
  3. Step 3: Cross multiply
    292,230.40x = 437,470.80 × 274,928.80
  4. Step 4: Simplify right side
    292,230.40x = 120,273,322,079.04
  5. Step 5: Solve for x
    x = 120,273,322,079.04/292,230.40
  6. Step 6: Final answer
    x = 411,570.19

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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.