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Finding the Fourth Proportional to 477,722.28, 716,677.38 and 157,861.25

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Solution

The fourth proportional to 477,722.28, 716,677.38 and 157,861.25 is: 236,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,722.28 : 716,677.38 = 157,861.25 : x
  2. Step 2: Convert to fraction form
    477,722.28/716,677.38 = 157,861.25/x
  3. Step 3: Cross multiply
    477,722.28x = 716,677.38 × 157,861.25
  4. Step 4: Simplify right side
    477,722.28x = 113,135,583,470.14
  5. Step 5: Solve for x
    x = 113,135,583,470.14/477,722.28
  6. Step 6: Final answer
    x = 236,822.92

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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.