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Finding the Fourth Proportional to 591,261.04, 815,681 and 361,829.36

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Solution

The fourth proportional to 591,261.04, 815,681 and 361,829.36 is: 499,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,261.04 : 815,681 = 361,829.36 : x
  2. Step 2: Convert to fraction form
    591,261.04/815,681 = 361,829.36/x
  3. Step 3: Cross multiply
    591,261.04x = 815,681 × 361,829.36
  4. Step 4: Simplify right side
    591,261.04x = 295,137,334,194.16
  5. Step 5: Solve for x
    x = 295,137,334,194.16/591,261.04
  6. Step 6: Final answer
    x = 499,165.87

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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.