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Finding the Fourth Proportional to 516,876.01, 713,184.36 and 301,974.56

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Solution

The fourth proportional to 516,876.01, 713,184.36 and 301,974.56 is: 416,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,876.01 : 713,184.36 = 301,974.56 : x
  2. Step 2: Convert to fraction form
    516,876.01/713,184.36 = 301,974.56/x
  3. Step 3: Cross multiply
    516,876.01x = 713,184.36 × 301,974.56
  4. Step 4: Simplify right side
    516,876.01x = 215,363,533,309.88
  5. Step 5: Solve for x
    x = 215,363,533,309.88/516,876.01
  6. Step 6: Final answer
    x = 416,663.82

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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.