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Finding the Fourth Proportional to 404,384.92, 606,555.51 and 123,902.98

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Solution

The fourth proportional to 404,384.92, 606,555.51 and 123,902.98 is: 185,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,384.92 : 606,555.51 = 123,902.98 : x
  2. Step 2: Convert to fraction form
    404,384.92/606,555.51 = 123,902.98/x
  3. Step 3: Cross multiply
    404,384.92x = 606,555.51 × 123,902.98
  4. Step 4: Simplify right side
    404,384.92x = 75,154,035,224.42
  5. Step 5: Solve for x
    x = 75,154,035,224.42/404,384.92
  6. Step 6: Final answer
    x = 185,847.77

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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.