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Finding the Fourth Proportional to 423,357.66, 584,241.12 and 232,388.82

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Solution

The fourth proportional to 423,357.66, 584,241.12 and 232,388.82 is: 320,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,357.66 : 584,241.12 = 232,388.82 : x
  2. Step 2: Convert to fraction form
    423,357.66/584,241.12 = 232,388.82/x
  3. Step 3: Cross multiply
    423,357.66x = 584,241.12 × 232,388.82
  4. Step 4: Simplify right side
    423,357.66x = 135,771,104,472.28
  5. Step 5: Solve for x
    x = 135,771,104,472.28/423,357.66
  6. Step 6: Final answer
    x = 320,700.72

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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.