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Finding the Fourth Proportional to 624,816.57, 862,229.49 and 370,167.75

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Solution

The fourth proportional to 624,816.57, 862,229.49 and 370,167.75 is: 510,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,816.57 : 862,229.49 = 370,167.75 : x
  2. Step 2: Convert to fraction form
    624,816.57/862,229.49 = 370,167.75/x
  3. Step 3: Cross multiply
    624,816.57x = 862,229.49 × 370,167.75
  4. Step 4: Simplify right side
    624,816.57x = 319,169,550,296.95
  5. Step 5: Solve for x
    x = 319,169,550,296.95/624,816.57
  6. Step 6: Final answer
    x = 510,821.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.