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Finding the Fourth Proportional to 250,077.38, 375,928.90 and 200,698.54

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Solution

The fourth proportional to 250,077.38, 375,928.90 and 200,698.54 is: 301,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,077.38 : 375,928.90 = 200,698.54 : x
  2. Step 2: Convert to fraction form
    250,077.38/375,928.90 = 200,698.54/x
  3. Step 3: Cross multiply
    250,077.38x = 375,928.90 × 200,698.54
  4. Step 4: Simplify right side
    250,077.38x = 75,448,381,373.81
  5. Step 5: Solve for x
    x = 75,448,381,373.81/250,077.38
  6. Step 6: Final answer
    x = 301,700.14

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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.