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Finding the Fourth Proportional to 404,421.56, 558,119.55 and 232,393.49

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Solution

The fourth proportional to 404,421.56, 558,119.55 and 232,393.49 is: 320,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,421.56 : 558,119.55 = 232,393.49 : x
  2. Step 2: Convert to fraction form
    404,421.56/558,119.55 = 232,393.49/x
  3. Step 3: Cross multiply
    404,421.56x = 558,119.55 × 232,393.49
  4. Step 4: Simplify right side
    404,421.56x = 129,703,347,271.13
  5. Step 5: Solve for x
    x = 129,703,347,271.13/404,421.56
  6. Step 6: Final answer
    x = 320,713.24

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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.