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Finding the Fourth Proportional to 333,397.13, 500,139.63 and 108,678.83

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Solution

The fourth proportional to 333,397.13, 500,139.63 and 108,678.83 is: 163,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,397.13 : 500,139.63 = 108,678.83 : x
  2. Step 2: Convert to fraction form
    333,397.13/500,139.63 = 108,678.83/x
  3. Step 3: Cross multiply
    333,397.13x = 500,139.63 × 108,678.83
  4. Step 4: Simplify right side
    333,397.13x = 54,354,587,324.33
  5. Step 5: Solve for x
    x = 54,354,587,324.33/333,397.13
  6. Step 6: Final answer
    x = 163,032.56

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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.