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Finding the Fourth Proportional to 482,830.90, 724,246.35 and 304,371.70

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Solution

The fourth proportional to 482,830.90, 724,246.35 and 304,371.70 is: 456,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,830.90 : 724,246.35 = 304,371.70 : x
  2. Step 2: Convert to fraction form
    482,830.90/724,246.35 = 304,371.70/x
  3. Step 3: Cross multiply
    482,830.90x = 724,246.35 × 304,371.70
  4. Step 4: Simplify right side
    482,830.90x = 220,440,092,768.30
  5. Step 5: Solve for x
    x = 220,440,092,768.30/482,830.90
  6. Step 6: Final answer
    x = 456,557.55

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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.