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Finding the Fourth Proportional to 508,632.76, 762,790.38 and 176,131

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Solution

The fourth proportional to 508,632.76, 762,790.38 and 176,131 is: 264,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,632.76 : 762,790.38 = 176,131 : x
  2. Step 2: Convert to fraction form
    508,632.76/762,790.38 = 176,131/x
  3. Step 3: Cross multiply
    508,632.76x = 762,790.38 × 176,131
  4. Step 4: Simplify right side
    508,632.76x = 134,351,032,419.78
  5. Step 5: Solve for x
    x = 134,351,032,419.78/508,632.76
  6. Step 6: Final answer
    x = 264,141.52

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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.