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Finding the Fourth Proportional to 624,115.80, 936,173.70 and 529,637.40

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Solution

The fourth proportional to 624,115.80, 936,173.70 and 529,637.40 is: 794,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,115.80 : 936,173.70 = 529,637.40 : x
  2. Step 2: Convert to fraction form
    624,115.80/936,173.70 = 529,637.40/x
  3. Step 3: Cross multiply
    624,115.80x = 936,173.70 × 529,637.40
  4. Step 4: Simplify right side
    624,115.80x = 495,832,604,416.38
  5. Step 5: Solve for x
    x = 495,832,604,416.38/624,115.80
  6. Step 6: Final answer
    x = 794,456.10

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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.