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Finding the Fourth Proportional to 508,227.60, 762,411.72 and 171,364.68

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Solution

The fourth proportional to 508,227.60, 762,411.72 and 171,364.68 is: 257,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,227.60 : 762,411.72 = 171,364.68 : x
  2. Step 2: Convert to fraction form
    508,227.60/762,411.72 = 171,364.68/x
  3. Step 3: Cross multiply
    508,227.60x = 762,411.72 × 171,364.68
  4. Step 4: Simplify right side
    508,227.60x = 130,650,440,426.05
  5. Step 5: Solve for x
    x = 130,650,440,426.05/508,227.60
  6. Step 6: Final answer
    x = 257,070.73

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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.