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Finding the Fourth Proportional to 549,282.87, 757,887.76 and 331,526.87

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Solution

The fourth proportional to 549,282.87, 757,887.76 and 331,526.87 is: 457,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,282.87 : 757,887.76 = 331,526.87 : x
  2. Step 2: Convert to fraction form
    549,282.87/757,887.76 = 331,526.87/x
  3. Step 3: Cross multiply
    549,282.87x = 757,887.76 × 331,526.87
  4. Step 4: Simplify right side
    549,282.87x = 251,260,156,351.16
  5. Step 5: Solve for x
    x = 251,260,156,351.16/549,282.87
  6. Step 6: Final answer
    x = 457,433.08

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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.