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Finding the Fourth Proportional to 655,096.46, 981,070.02 and 373,760.78

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Solution

The fourth proportional to 655,096.46, 981,070.02 and 373,760.78 is: 559,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,096.46 : 981,070.02 = 373,760.78 : x
  2. Step 2: Convert to fraction form
    655,096.46/981,070.02 = 373,760.78/x
  3. Step 3: Cross multiply
    655,096.46x = 981,070.02 × 373,760.78
  4. Step 4: Simplify right side
    655,096.46x = 366,685,495,909.82
  5. Step 5: Solve for x
    x = 366,685,495,909.82/655,096.46
  6. Step 6: Final answer
    x = 559,742.75

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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.