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Finding the Fourth Proportional to 508,221.38, 762,053.58 and 234,370.31

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Solution

The fourth proportional to 508,221.38, 762,053.58 and 234,370.31 is: 351,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,221.38 : 762,053.58 = 234,370.31 : x
  2. Step 2: Convert to fraction form
    508,221.38/762,053.58 = 234,370.31/x
  3. Step 3: Cross multiply
    508,221.38x = 762,053.58 × 234,370.31
  4. Step 4: Simplify right side
    508,221.38x = 178,602,729,970.94
  5. Step 5: Solve for x
    x = 178,602,729,970.94/508,221.38
  6. Step 6: Final answer
    x = 351,427.03

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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.