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Finding the Fourth Proportional to 364,350.78, 546,542.57 and 111,612.85

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Solution

The fourth proportional to 364,350.78, 546,542.57 and 111,612.85 is: 167,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,350.78 : 546,542.57 = 111,612.85 : x
  2. Step 2: Convert to fraction form
    364,350.78/546,542.57 = 111,612.85/x
  3. Step 3: Cross multiply
    364,350.78x = 546,542.57 × 111,612.85
  4. Step 4: Simplify right side
    364,350.78x = 61,001,173,884.02
  5. Step 5: Solve for x
    x = 61,001,173,884.02/364,350.78
  6. Step 6: Final answer
    x = 167,424.30

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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.