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Finding the Fourth Proportional to 439,132.68, 606,005.28 and 237,928.68

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Solution

The fourth proportional to 439,132.68, 606,005.28 and 237,928.68 is: 328,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,132.68 : 606,005.28 = 237,928.68 : x
  2. Step 2: Convert to fraction form
    439,132.68/606,005.28 = 237,928.68/x
  3. Step 3: Cross multiply
    439,132.68x = 606,005.28 × 237,928.68
  4. Step 4: Simplify right side
    439,132.68x = 144,186,036,343.43
  5. Step 5: Solve for x
    x = 144,186,036,343.43/439,132.68
  6. Step 6: Final answer
    x = 328,342.76

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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.