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Finding the Fourth Proportional to 404,663.73, 606,994.92 and 120,352.92

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Solution

The fourth proportional to 404,663.73, 606,994.92 and 120,352.92 is: 180,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,663.73 : 606,994.92 = 120,352.92 : x
  2. Step 2: Convert to fraction form
    404,663.73/606,994.92 = 120,352.92/x
  3. Step 3: Cross multiply
    404,663.73x = 606,994.92 × 120,352.92
  4. Step 4: Simplify right side
    404,663.73x = 73,053,611,047.17
  5. Step 5: Solve for x
    x = 73,053,611,047.17/404,663.73
  6. Step 6: Final answer
    x = 180,529.18

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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.