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Finding the Fourth Proportional to 340,776.67, 511,170.30 and 100,914.83

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Solution

The fourth proportional to 340,776.67, 511,170.30 and 100,914.83 is: 151,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,776.67 : 511,170.30 = 100,914.83 : x
  2. Step 2: Convert to fraction form
    340,776.67/511,170.30 = 100,914.83/x
  3. Step 3: Cross multiply
    340,776.67x = 511,170.30 × 100,914.83
  4. Step 4: Simplify right side
    340,776.67x = 51,584,663,925.55
  5. Step 5: Solve for x
    x = 51,584,663,925.55/340,776.67
  6. Step 6: Final answer
    x = 151,373.81

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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.