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Finding the Fourth Proportional to 474,773.64, 655,186.50 and 259,913.64

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Solution

The fourth proportional to 474,773.64, 655,186.50 and 259,913.64 is: 358,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,773.64 : 655,186.50 = 259,913.64 : x
  2. Step 2: Convert to fraction form
    474,773.64/655,186.50 = 259,913.64/x
  3. Step 3: Cross multiply
    474,773.64x = 655,186.50 × 259,913.64
  4. Step 4: Simplify right side
    474,773.64x = 170,291,908,093.86
  5. Step 5: Solve for x
    x = 170,291,908,093.86/474,773.64
  6. Step 6: Final answer
    x = 358,680.21

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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.