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Finding the Fourth Proportional to 482,902.40, 724,353.60 and 127,952.30

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Solution

The fourth proportional to 482,902.40, 724,353.60 and 127,952.30 is: 191,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,902.40 : 724,353.60 = 127,952.30 : x
  2. Step 2: Convert to fraction form
    482,902.40/724,353.60 = 127,952.30/x
  3. Step 3: Cross multiply
    482,902.40x = 724,353.60 × 127,952.30
  4. Step 4: Simplify right side
    482,902.40x = 92,682,709,133.28
  5. Step 5: Solve for x
    x = 92,682,709,133.28/482,902.40
  6. Step 6: Final answer
    x = 191,928.45

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Similar ratio
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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.