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Finding the Fourth Proportional to 338,162.26, 507,464.88 and 127,800.22

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Solution

The fourth proportional to 338,162.26, 507,464.88 and 127,800.22 is: 191,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,162.26 : 507,464.88 = 127,800.22 : x
  2. Step 2: Convert to fraction form
    338,162.26/507,464.88 = 127,800.22/x
  3. Step 3: Cross multiply
    338,162.26x = 507,464.88 × 127,800.22
  4. Step 4: Simplify right side
    338,162.26x = 64,854,123,306.27
  5. Step 5: Solve for x
    x = 64,854,123,306.27/338,162.26
  6. Step 6: Final answer
    x = 191,784.04

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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.