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Finding the Fourth Proportional to 229,425.97, 316,645.75 and 191,124.85

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Solution

The fourth proportional to 229,425.97, 316,645.75 and 191,124.85 is: 263,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,425.97 : 316,645.75 = 191,124.85 : x
  2. Step 2: Convert to fraction form
    229,425.97/316,645.75 = 191,124.85/x
  3. Step 3: Cross multiply
    229,425.97x = 316,645.75 × 191,124.85
  4. Step 4: Simplify right side
    229,425.97x = 60,518,869,888.66
  5. Step 5: Solve for x
    x = 60,518,869,888.66/229,425.97
  6. Step 6: Final answer
    x = 263,783.87

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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.