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Finding the Fourth Proportional to 404,055.92, 606,083.88 and 123,570.74

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Solution

The fourth proportional to 404,055.92, 606,083.88 and 123,570.74 is: 185,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,055.92 : 606,083.88 = 123,570.74 : x
  2. Step 2: Convert to fraction form
    404,055.92/606,083.88 = 123,570.74/x
  3. Step 3: Cross multiply
    404,055.92x = 606,083.88 × 123,570.74
  4. Step 4: Simplify right side
    404,055.92x = 74,894,233,553.67
  5. Step 5: Solve for x
    x = 74,894,233,553.67/404,055.92
  6. Step 6: Final answer
    x = 185,356.11

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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.