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Finding the Fourth Proportional to 240,322.65, 331,650.93 and 132,894.78

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Solution

The fourth proportional to 240,322.65, 331,650.93 and 132,894.78 is: 183,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,322.65 : 331,650.93 = 132,894.78 : x
  2. Step 2: Convert to fraction form
    240,322.65/331,650.93 = 132,894.78/x
  3. Step 3: Cross multiply
    240,322.65x = 331,650.93 × 132,894.78
  4. Step 4: Simplify right side
    240,322.65x = 44,074,677,379.15
  5. Step 5: Solve for x
    x = 44,074,677,379.15/240,322.65
  6. Step 6: Final answer
    x = 183,397.93

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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.