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Finding the Fourth Proportional to 384,058.16, 529,852.44 and 240,568.40

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Solution

The fourth proportional to 384,058.16, 529,852.44 and 240,568.40 is: 331,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,058.16 : 529,852.44 = 240,568.40 : x
  2. Step 2: Convert to fraction form
    384,058.16/529,852.44 = 240,568.40/x
  3. Step 3: Cross multiply
    384,058.16x = 529,852.44 × 240,568.40
  4. Step 4: Simplify right side
    384,058.16x = 127,465,753,726.90
  5. Step 5: Solve for x
    x = 127,465,753,726.90/384,058.16
  6. Step 6: Final answer
    x = 331,891.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.