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Finding the Fourth Proportional to 501,043.80, 751,565.70 and 329,801.70

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Solution

The fourth proportional to 501,043.80, 751,565.70 and 329,801.70 is: 494,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,043.80 : 751,565.70 = 329,801.70 : x
  2. Step 2: Convert to fraction form
    501,043.80/751,565.70 = 329,801.70/x
  3. Step 3: Cross multiply
    501,043.80x = 751,565.70 × 329,801.70
  4. Step 4: Simplify right side
    501,043.80x = 247,867,645,521.69
  5. Step 5: Solve for x
    x = 247,867,645,521.69/501,043.80
  6. Step 6: Final answer
    x = 494,702.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.