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Finding the Fourth Proportional to 423,429.33, 584,311.04 and 251,354.66

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Solution

The fourth proportional to 423,429.33, 584,311.04 and 251,354.66 is: 346,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,429.33 : 584,311.04 = 251,354.66 : x
  2. Step 2: Convert to fraction form
    423,429.33/584,311.04 = 251,354.66/x
  3. Step 3: Cross multiply
    423,429.33x = 584,311.04 × 251,354.66
  4. Step 4: Simplify right side
    423,429.33x = 146,869,299,243.51
  5. Step 5: Solve for x
    x = 146,869,299,243.51/423,429.33
  6. Step 6: Final answer
    x = 346,856.70

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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.