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Finding the Fourth Proportional to 404,417.99, 558,146.26 and 232,335.64

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Solution

The fourth proportional to 404,417.99, 558,146.26 and 232,335.64 is: 320,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,417.99 : 558,146.26 = 232,335.64 : x
  2. Step 2: Convert to fraction form
    404,417.99/558,146.26 = 232,335.64/x
  3. Step 3: Cross multiply
    404,417.99x = 558,146.26 × 232,335.64
  4. Step 4: Simplify right side
    404,417.99x = 129,677,270,008.89
  5. Step 5: Solve for x
    x = 129,677,270,008.89/404,417.99
  6. Step 6: Final answer
    x = 320,651.59

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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.