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Finding the Fourth Proportional to 624,105.80, 936,158.70 and 529,627.40

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Solution

The fourth proportional to 624,105.80, 936,158.70 and 529,627.40 is: 794,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,105.80 : 936,158.70 = 529,627.40 : x
  2. Step 2: Convert to fraction form
    624,105.80/936,158.70 = 529,627.40/x
  3. Step 3: Cross multiply
    624,105.80x = 936,158.70 × 529,627.40
  4. Step 4: Simplify right side
    624,105.80x = 495,815,298,268.38
  5. Step 5: Solve for x
    x = 495,815,298,268.38/624,105.80
  6. Step 6: Final answer
    x = 794,441.10

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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.