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Finding the Fourth Proportional to 261,404.52, 360,450.07 and 180,691.93

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Solution

The fourth proportional to 261,404.52, 360,450.07 and 180,691.93 is: 249,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,404.52 : 360,450.07 = 180,691.93 : x
  2. Step 2: Convert to fraction form
    261,404.52/360,450.07 = 180,691.93/x
  3. Step 3: Cross multiply
    261,404.52x = 360,450.07 × 180,691.93
  4. Step 4: Simplify right side
    261,404.52x = 65,130,418,815.77
  5. Step 5: Solve for x
    x = 65,130,418,815.77/261,404.52
  6. Step 6: Final answer
    x = 249,155.68

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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.