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Finding the Fourth Proportional to 404,557.74, 558,270.77 and 232,354.58

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Solution

The fourth proportional to 404,557.74, 558,270.77 and 232,354.58 is: 320,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,557.74 : 558,270.77 = 232,354.58 : x
  2. Step 2: Convert to fraction form
    404,557.74/558,270.77 = 232,354.58/x
  3. Step 3: Cross multiply
    404,557.74x = 558,270.77 × 232,354.58
  4. Step 4: Simplify right side
    404,557.74x = 129,716,766,336.50
  5. Step 5: Solve for x
    x = 129,716,766,336.50/404,557.74
  6. Step 6: Final answer
    x = 320,638.45

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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.