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Finding the Fourth Proportional to 625,471.40, 938,265.51 and 176,191.52

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Solution

The fourth proportional to 625,471.40, 938,265.51 and 176,191.52 is: 264,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,471.40 : 938,265.51 = 176,191.52 : x
  2. Step 2: Convert to fraction form
    625,471.40/938,265.51 = 176,191.52/x
  3. Step 3: Cross multiply
    625,471.40x = 938,265.51 × 176,191.52
  4. Step 4: Simplify right side
    625,471.40x = 165,314,426,370.48
  5. Step 5: Solve for x
    x = 165,314,426,370.48/625,471.40
  6. Step 6: Final answer
    x = 264,303.73

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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.