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Finding the Fourth Proportional to 404,421.07, 558,119.15 and 232,394.72

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Solution

The fourth proportional to 404,421.07, 558,119.15 and 232,394.72 is: 320,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,421.07 : 558,119.15 = 232,394.72 : x
  2. Step 2: Convert to fraction form
    404,421.07/558,119.15 = 232,394.72/x
  3. Step 3: Cross multiply
    404,421.07x = 558,119.15 × 232,394.72
  4. Step 4: Simplify right side
    404,421.07x = 129,703,944,793.04
  5. Step 5: Solve for x
    x = 129,703,944,793.04/404,421.07
  6. Step 6: Final answer
    x = 320,715.11

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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.