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Finding the Fourth Proportional to 624,168.10, 936,252.15 and 499,752.10

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Solution

The fourth proportional to 624,168.10, 936,252.15 and 499,752.10 is: 749,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,168.10 : 936,252.15 = 499,752.10 : x
  2. Step 2: Convert to fraction form
    624,168.10/936,252.15 = 499,752.10/x
  3. Step 3: Cross multiply
    624,168.10x = 936,252.15 × 499,752.10
  4. Step 4: Simplify right side
    624,168.10x = 467,893,978,092.02
  5. Step 5: Solve for x
    x = 467,893,978,092.02/624,168.10
  6. Step 6: Final answer
    x = 749,628.15

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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.