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Finding the Fourth Proportional to 400,367.78, 600,717.52 and 175,612.22

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Solution

The fourth proportional to 400,367.78, 600,717.52 and 175,612.22 is: 263,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,367.78 : 600,717.52 = 175,612.22 : x
  2. Step 2: Convert to fraction form
    400,367.78/600,717.52 = 175,612.22/x
  3. Step 3: Cross multiply
    400,367.78x = 600,717.52 × 175,612.22
  4. Step 4: Simplify right side
    400,367.78x = 105,493,337,280.09
  5. Step 5: Solve for x
    x = 105,493,337,280.09/400,367.78
  6. Step 6: Final answer
    x = 263,491.08

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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.