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Finding the Fourth Proportional to 404,619.60, 558,291.68 and 232,504.31

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Solution

The fourth proportional to 404,619.60, 558,291.68 and 232,504.31 is: 320,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,619.60 : 558,291.68 = 232,504.31 : x
  2. Step 2: Convert to fraction form
    404,619.60/558,291.68 = 232,504.31/x
  3. Step 3: Cross multiply
    404,619.60x = 558,291.68 × 232,504.31
  4. Step 4: Simplify right side
    404,619.60x = 129,805,220,455.77
  5. Step 5: Solve for x
    x = 129,805,220,455.77/404,619.60
  6. Step 6: Final answer
    x = 320,808.04

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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.