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Finding the Fourth Proportional to 482,994.10, 724,491.15 and 404,845.30

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Solution

The fourth proportional to 482,994.10, 724,491.15 and 404,845.30 is: 607,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,994.10 : 724,491.15 = 404,845.30 : x
  2. Step 2: Convert to fraction form
    482,994.10/724,491.15 = 404,845.30/x
  3. Step 3: Cross multiply
    482,994.10x = 724,491.15 × 404,845.30
  4. Step 4: Simplify right side
    482,994.10x = 293,306,836,969.10
  5. Step 5: Solve for x
    x = 293,306,836,969.10/482,994.10
  6. Step 6: Final answer
    x = 607,267.95

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Double scale
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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.