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Finding the Fourth Proportional to 261,242.77, 360,591.65 and 170,612.43

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Solution

The fourth proportional to 261,242.77, 360,591.65 and 170,612.43 is: 235,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,242.77 : 360,591.65 = 170,612.43 : x
  2. Step 2: Convert to fraction form
    261,242.77/360,591.65 = 170,612.43/x
  3. Step 3: Cross multiply
    261,242.77x = 360,591.65 × 170,612.43
  4. Step 4: Simplify right side
    261,242.77x = 61,521,416,078.73
  5. Step 5: Solve for x
    x = 61,521,416,078.73/261,242.77
  6. Step 6: Final answer
    x = 235,495.19

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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.