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Finding the Fourth Proportional to 317,010.71, 475,249.52 and 148,442.22

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Solution

The fourth proportional to 317,010.71, 475,249.52 and 148,442.22 is: 222,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,010.71 : 475,249.52 = 148,442.22 : x
  2. Step 2: Convert to fraction form
    317,010.71/475,249.52 = 148,442.22/x
  3. Step 3: Cross multiply
    317,010.71x = 475,249.52 × 148,442.22
  4. Step 4: Simplify right side
    317,010.71x = 70,547,091,426.49
  5. Step 5: Solve for x
    x = 70,547,091,426.49/317,010.71
  6. Step 6: Final answer
    x = 222,538.51

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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.