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Finding the Fourth Proportional to 351,555.28, 527,225.14 and 126,888.28

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Solution

The fourth proportional to 351,555.28, 527,225.14 and 126,888.28 is: 190,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,555.28 : 527,225.14 = 126,888.28 : x
  2. Step 2: Convert to fraction form
    351,555.28/527,225.14 = 126,888.28/x
  3. Step 3: Cross multiply
    351,555.28x = 527,225.14 × 126,888.28
  4. Step 4: Simplify right side
    351,555.28x = 66,898,691,187.36
  5. Step 5: Solve for x
    x = 66,898,691,187.36/351,555.28
  6. Step 6: Final answer
    x = 190,293.52

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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.