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Finding the Fourth Proportional to 477,227.57, 715,841.48 and 140,268.24

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Solution

The fourth proportional to 477,227.57, 715,841.48 and 140,268.24 is: 210,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,227.57 : 715,841.48 = 140,268.24 : x
  2. Step 2: Convert to fraction form
    477,227.57/715,841.48 = 140,268.24/x
  3. Step 3: Cross multiply
    477,227.57x = 715,841.48 × 140,268.24
  4. Step 4: Simplify right side
    477,227.57x = 100,409,824,869.27
  5. Step 5: Solve for x
    x = 100,409,824,869.27/477,227.57
  6. Step 6: Final answer
    x = 210,402.40

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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.