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Finding the Fourth Proportional to 400,190.04, 600,316.65 and 133,951.53

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Solution

The fourth proportional to 400,190.04, 600,316.65 and 133,951.53 is: 200,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,190.04 : 600,316.65 = 133,951.53 : x
  2. Step 2: Convert to fraction form
    400,190.04/600,316.65 = 133,951.53/x
  3. Step 3: Cross multiply
    400,190.04x = 600,316.65 × 133,951.53
  4. Step 4: Simplify right side
    400,190.04x = 80,413,333,751.97
  5. Step 5: Solve for x
    x = 80,413,333,751.97/400,190.04
  6. Step 6: Final answer
    x = 200,937.87

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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.