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Finding the Fourth Proportional to 608,414.20, 910,707.84 and 417,758.82

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Solution

The fourth proportional to 608,414.20, 910,707.84 and 417,758.82 is: 625,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,414.20 : 910,707.84 = 417,758.82 : x
  2. Step 2: Convert to fraction form
    608,414.20/910,707.84 = 417,758.82/x
  3. Step 3: Cross multiply
    608,414.20x = 910,707.84 × 417,758.82
  4. Step 4: Simplify right side
    608,414.20x = 380,456,232,603.15
  5. Step 5: Solve for x
    x = 380,456,232,603.15/608,414.20
  6. Step 6: Final answer
    x = 625,324.38

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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.