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Finding the Fourth Proportional to 261,323.67, 360,737.01 and 176,555.55

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Solution

The fourth proportional to 261,323.67, 360,737.01 and 176,555.55 is: 243,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,323.67 : 360,737.01 = 176,555.55 : x
  2. Step 2: Convert to fraction form
    261,323.67/360,737.01 = 176,555.55/x
  3. Step 3: Cross multiply
    261,323.67x = 360,737.01 × 176,555.55
  4. Step 4: Simplify right side
    261,323.67x = 63,690,121,205.91
  5. Step 5: Solve for x
    x = 63,690,121,205.91/261,323.67
  6. Step 6: Final answer
    x = 243,721.21

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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.