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Finding the Fourth Proportional to 265,776.99, 398,732.85 and 88,284.93

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Solution

The fourth proportional to 265,776.99, 398,732.85 and 88,284.93 is: 132,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,776.99 : 398,732.85 = 88,284.93 : x
  2. Step 2: Convert to fraction form
    265,776.99/398,732.85 = 88,284.93/x
  3. Step 3: Cross multiply
    265,776.99x = 398,732.85 × 88,284.93
  4. Step 4: Simplify right side
    265,776.99x = 35,202,101,750.95
  5. Step 5: Solve for x
    x = 35,202,101,750.95/265,776.99
  6. Step 6: Final answer
    x = 132,449.77

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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.