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Finding the Fourth Proportional to 395,565.69, 593,348.55 and 262,705.44

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Solution

The fourth proportional to 395,565.69, 593,348.55 and 262,705.44 is: 394,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,565.69 : 593,348.55 = 262,705.44 : x
  2. Step 2: Convert to fraction form
    395,565.69/593,348.55 = 262,705.44/x
  3. Step 3: Cross multiply
    395,565.69x = 593,348.55 × 262,705.44
  4. Step 4: Simplify right side
    395,565.69x = 155,875,891,901.11
  5. Step 5: Solve for x
    x = 155,875,891,901.11/395,565.69
  6. Step 6: Final answer
    x = 394,058.17

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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.