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Finding the Fourth Proportional to 621,900.75, 932,814.05 and 365,877.17

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Solution

The fourth proportional to 621,900.75, 932,814.05 and 365,877.17 is: 548,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,900.75 : 932,814.05 = 365,877.17 : x
  2. Step 2: Convert to fraction form
    621,900.75/932,814.05 = 365,877.17/x
  3. Step 3: Cross multiply
    621,900.75x = 932,814.05 × 365,877.17
  4. Step 4: Simplify right side
    621,900.75x = 341,295,358,256.78
  5. Step 5: Solve for x
    x = 341,295,358,256.78/621,900.75
  6. Step 6: Final answer
    x = 548,793.93

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1.5x scale

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.