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Finding the Fourth Proportional to 375,180.87, 517,798.88 and 213,998.91

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Solution

The fourth proportional to 375,180.87, 517,798.88 and 213,998.91 is: 295,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,180.87 : 517,798.88 = 213,998.91 : x
  2. Step 2: Convert to fraction form
    375,180.87/517,798.88 = 213,998.91/x
  3. Step 3: Cross multiply
    375,180.87x = 517,798.88 × 213,998.91
  4. Step 4: Simplify right side
    375,180.87x = 110,808,394,849.23
  5. Step 5: Solve for x
    x = 110,808,394,849.23/375,180.87
  6. Step 6: Final answer
    x = 295,346.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.