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Finding the Fourth Proportional to 404,419.80, 558,148.76 and 232,337.45

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Solution

The fourth proportional to 404,419.80, 558,148.76 and 232,337.45 is: 320,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,419.80 : 558,148.76 = 232,337.45 : x
  2. Step 2: Convert to fraction form
    404,419.80/558,148.76 = 232,337.45/x
  3. Step 3: Cross multiply
    404,419.80x = 558,148.76 × 232,337.45
  4. Step 4: Simplify right side
    404,419.80x = 129,678,859,038.22
  5. Step 5: Solve for x
    x = 129,678,859,038.22/404,419.80
  6. Step 6: Final answer
    x = 320,654.08

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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.