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Finding the Fourth Proportional to 587,625.16, 881,548.38 and 418,726.49

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Solution

The fourth proportional to 587,625.16, 881,548.38 and 418,726.49 is: 628,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,625.16 : 881,548.38 = 418,726.49 : x
  2. Step 2: Convert to fraction form
    587,625.16/881,548.38 = 418,726.49/x
  3. Step 3: Cross multiply
    587,625.16x = 881,548.38 × 418,726.49
  4. Step 4: Simplify right side
    587,625.16x = 369,127,658,922.59
  5. Step 5: Solve for x
    x = 369,127,658,922.59/587,625.16
  6. Step 6: Final answer
    x = 628,168.57

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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.