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Finding the Fourth Proportional to 423,090.57, 583,854.84 and 232,102.29

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Solution

The fourth proportional to 423,090.57, 583,854.84 and 232,102.29 is: 320,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,090.57 : 583,854.84 = 232,102.29 : x
  2. Step 2: Convert to fraction form
    423,090.57/583,854.84 = 232,102.29/x
  3. Step 3: Cross multiply
    423,090.57x = 583,854.84 × 232,102.29
  4. Step 4: Simplify right side
    423,090.57x = 135,514,045,391.58
  5. Step 5: Solve for x
    x = 135,514,045,391.58/423,090.57
  6. Step 6: Final answer
    x = 320,295.59

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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.