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Finding the Fourth Proportional to 261,064.76, 360,199.91 and 150,655.43

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Solution

The fourth proportional to 261,064.76, 360,199.91 and 150,655.43 is: 207,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,064.76 : 360,199.91 = 150,655.43 : x
  2. Step 2: Convert to fraction form
    261,064.76/360,199.91 = 150,655.43/x
  3. Step 3: Cross multiply
    261,064.76x = 360,199.91 × 150,655.43
  4. Step 4: Simplify right side
    261,064.76x = 54,266,069,772.73
  5. Step 5: Solve for x
    x = 54,266,069,772.73/261,064.76
  6. Step 6: Final answer
    x = 207,864.40

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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.