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Finding the Fourth Proportional to 338,417.38, 507,268.86 and 113,564.62

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Solution

The fourth proportional to 338,417.38, 507,268.86 and 113,564.62 is: 170,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,417.38 : 507,268.86 = 113,564.62 : x
  2. Step 2: Convert to fraction form
    338,417.38/507,268.86 = 113,564.62/x
  3. Step 3: Cross multiply
    338,417.38x = 507,268.86 × 113,564.62
  4. Step 4: Simplify right side
    338,417.38x = 57,607,795,323.73
  5. Step 5: Solve for x
    x = 57,607,795,323.73/338,417.38
  6. Step 6: Final answer
    x = 170,227.06

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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.