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Finding the Fourth Proportional to 624,167.40, 936,251.10 and 474,868.20

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Solution

The fourth proportional to 624,167.40, 936,251.10 and 474,868.20 is: 712,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,167.40 : 936,251.10 = 474,868.20 : x
  2. Step 2: Convert to fraction form
    624,167.40/936,251.10 = 474,868.20/x
  3. Step 3: Cross multiply
    624,167.40x = 936,251.10 × 474,868.20
  4. Step 4: Simplify right side
    624,167.40x = 444,595,874,605.02
  5. Step 5: Solve for x
    x = 444,595,874,605.02/624,167.40
  6. Step 6: Final answer
    x = 712,302.30

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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.