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Finding the Fourth Proportional to 549,117.26, 757,776.03 and 307,401.82

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Solution

The fourth proportional to 549,117.26, 757,776.03 and 307,401.82 is: 424,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,117.26 : 757,776.03 = 307,401.82 : x
  2. Step 2: Convert to fraction form
    549,117.26/757,776.03 = 307,401.82/x
  3. Step 3: Cross multiply
    549,117.26x = 757,776.03 × 307,401.82
  4. Step 4: Simplify right side
    549,117.26x = 232,941,733,517.75
  5. Step 5: Solve for x
    x = 232,941,733,517.75/549,117.26
  6. Step 6: Final answer
    x = 424,211.27

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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.