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Finding the Fourth Proportional to 768,229.15, 1,060,159.89 and 424,058.82

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Solution

The fourth proportional to 768,229.15, 1,060,159.89 and 424,058.82 is: 585,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,229.15 : 1,060,159.89 = 424,058.82 : x
  2. Step 2: Convert to fraction form
    768,229.15/1,060,159.89 = 424,058.82/x
  3. Step 3: Cross multiply
    768,229.15x = 1,060,159.89 × 424,058.82
  4. Step 4: Simplify right side
    768,229.15x = 449,570,146,663.93
  5. Step 5: Solve for x
    x = 449,570,146,663.93/768,229.15
  6. Step 6: Final answer
    x = 585,203.19

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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.