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Finding the Fourth Proportional to 240,613.40, 360,920.10 and 165,963.80

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Solution

The fourth proportional to 240,613.40, 360,920.10 and 165,963.80 is: 248,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,613.40 : 360,920.10 = 165,963.80 : x
  2. Step 2: Convert to fraction form
    240,613.40/360,920.10 = 165,963.80/x
  3. Step 3: Cross multiply
    240,613.40x = 360,920.10 × 165,963.80
  4. Step 4: Simplify right side
    240,613.40x = 59,899,671,292.38
  5. Step 5: Solve for x
    x = 59,899,671,292.38/240,613.40
  6. Step 6: Final answer
    x = 248,945.70

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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.