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Finding the Fourth Proportional to 423,042.25, 583,703.87 and 250,872.73

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Solution

The fourth proportional to 423,042.25, 583,703.87 and 250,872.73 is: 346,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,042.25 : 583,703.87 = 250,872.73 : x
  2. Step 2: Convert to fraction form
    423,042.25/583,703.87 = 250,872.73/x
  3. Step 3: Cross multiply
    423,042.25x = 583,703.87 × 250,872.73
  4. Step 4: Simplify right side
    423,042.25x = 146,435,382,076.00
  5. Step 5: Solve for x
    x = 146,435,382,076.00/423,042.25
  6. Step 6: Final answer
    x = 346,148.36

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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.