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Finding the Fourth Proportional to 293,432.60, 440,294.70 and 115,945.40

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Solution

The fourth proportional to 293,432.60, 440,294.70 and 115,945.40 is: 173,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,432.60 : 440,294.70 = 115,945.40 : x
  2. Step 2: Convert to fraction form
    293,432.60/440,294.70 = 115,945.40/x
  3. Step 3: Cross multiply
    293,432.60x = 440,294.70 × 115,945.40
  4. Step 4: Simplify right side
    293,432.60x = 51,050,145,109.38
  5. Step 5: Solve for x
    x = 51,050,145,109.38/293,432.60
  6. Step 6: Final answer
    x = 173,975.71

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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.