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Finding the Fourth Proportional to 389,565.01, 585,283.94 and 368,058.29

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Solution

The fourth proportional to 389,565.01, 585,283.94 and 368,058.29 is: 552,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,565.01 : 585,283.94 = 368,058.29 : x
  2. Step 2: Convert to fraction form
    389,565.01/585,283.94 = 368,058.29/x
  3. Step 3: Cross multiply
    389,565.01x = 585,283.94 × 368,058.29
  4. Step 4: Simplify right side
    389,565.01x = 215,418,604,280.57
  5. Step 5: Solve for x
    x = 215,418,604,280.57/389,565.01
  6. Step 6: Final answer
    x = 552,972.17

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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.