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Finding the Fourth Proportional to 288,614.88, 398,030.58 and 181,194.93

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Solution

The fourth proportional to 288,614.88, 398,030.58 and 181,194.93 is: 249,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,614.88 : 398,030.58 = 181,194.93 : x
  2. Step 2: Convert to fraction form
    288,614.88/398,030.58 = 181,194.93/x
  3. Step 3: Cross multiply
    288,614.88x = 398,030.58 × 181,194.93
  4. Step 4: Simplify right side
    288,614.88x = 72,121,123,080.96
  5. Step 5: Solve for x
    x = 72,121,123,080.96/288,614.88
  6. Step 6: Final answer
    x = 249,887.06

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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.