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Finding the Fourth Proportional to 303,349.56, 418,641.96 and 174,329.52

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Solution

The fourth proportional to 303,349.56, 418,641.96 and 174,329.52 is: 240,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,349.56 : 418,641.96 = 174,329.52 : x
  2. Step 2: Convert to fraction form
    303,349.56/418,641.96 = 174,329.52/x
  3. Step 3: Cross multiply
    303,349.56x = 418,641.96 × 174,329.52
  4. Step 4: Simplify right side
    303,349.56x = 72,981,651,938.66
  5. Step 5: Solve for x
    x = 72,981,651,938.66/303,349.56
  6. Step 6: Final answer
    x = 240,585.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.