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Finding the Fourth Proportional to 360,923.13, 541,384.70 and 111,605.13

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Solution

The fourth proportional to 360,923.13, 541,384.70 and 111,605.13 is: 167,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,923.13 : 541,384.70 = 111,605.13 : x
  2. Step 2: Convert to fraction form
    360,923.13/541,384.70 = 111,605.13/x
  3. Step 3: Cross multiply
    360,923.13x = 541,384.70 × 111,605.13
  4. Step 4: Simplify right side
    360,923.13x = 60,421,309,823.51
  5. Step 5: Solve for x
    x = 60,421,309,823.51/360,923.13
  6. Step 6: Final answer
    x = 167,407.70

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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.