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Finding the Fourth Proportional to 482,670.30, 724,005.45 and 304,599.90

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Solution

The fourth proportional to 482,670.30, 724,005.45 and 304,599.90 is: 456,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,670.30 : 724,005.45 = 304,599.90 : x
  2. Step 2: Convert to fraction form
    482,670.30/724,005.45 = 304,599.90/x
  3. Step 3: Cross multiply
    482,670.30x = 724,005.45 × 304,599.90
  4. Step 4: Simplify right side
    482,670.30x = 220,531,987,669.46
  5. Step 5: Solve for x
    x = 220,531,987,669.46/482,670.30
  6. Step 6: Final answer
    x = 456,899.85

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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.