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Finding the Fourth Proportional to 497,078.55, 745,812.23 and 181,567.35

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Solution

The fourth proportional to 497,078.55, 745,812.23 and 181,567.35 is: 272,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,078.55 : 745,812.23 = 181,567.35 : x
  2. Step 2: Convert to fraction form
    497,078.55/745,812.23 = 181,567.35/x
  3. Step 3: Cross multiply
    497,078.55x = 745,812.23 × 181,567.35
  4. Step 4: Simplify right side
    497,078.55x = 135,415,149,290.85
  5. Step 5: Solve for x
    x = 135,415,149,290.85/497,078.55
  6. Step 6: Final answer
    x = 272,422.03

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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.