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Finding the Fourth Proportional to 293,143.65, 439,732.91 and 113,230.45

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Solution

The fourth proportional to 293,143.65, 439,732.91 and 113,230.45 is: 169,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,143.65 : 439,732.91 = 113,230.45 : x
  2. Step 2: Convert to fraction form
    293,143.65/439,732.91 = 113,230.45/x
  3. Step 3: Cross multiply
    293,143.65x = 439,732.91 × 113,230.45
  4. Step 4: Simplify right side
    293,143.65x = 49,791,155,279.11
  5. Step 5: Solve for x
    x = 49,791,155,279.11/293,143.65
  6. Step 6: Final answer
    x = 169,852.41

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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.