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Finding the Fourth Proportional to 237,887.66, 328,288.28 and 130,450.61

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Solution

The fourth proportional to 237,887.66, 328,288.28 and 130,450.61 is: 180,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,887.66 : 328,288.28 = 130,450.61 : x
  2. Step 2: Convert to fraction form
    237,887.66/328,288.28 = 130,450.61/x
  3. Step 3: Cross multiply
    237,887.66x = 328,288.28 × 130,450.61
  4. Step 4: Simplify right side
    237,887.66x = 42,825,406,550.32
  5. Step 5: Solve for x
    x = 42,825,406,550.32/237,887.66
  6. Step 6: Final answer
    x = 180,023.66

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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.