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Finding the Fourth Proportional to 624,171.80, 936,257.70 and 529,693.40

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Solution

The fourth proportional to 624,171.80, 936,257.70 and 529,693.40 is: 794,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,171.80 : 936,257.70 = 529,693.40 : x
  2. Step 2: Convert to fraction form
    624,171.80/936,257.70 = 529,693.40/x
  3. Step 3: Cross multiply
    624,171.80x = 936,257.70 × 529,693.40
  4. Step 4: Simplify right side
    624,171.80x = 495,929,524,389.18
  5. Step 5: Solve for x
    x = 495,929,524,389.18/624,171.80
  6. Step 6: Final answer
    x = 794,540.10

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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.