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Finding the Fourth Proportional to 400,595.75, 600,891.76 and 163,938.45

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Solution

The fourth proportional to 400,595.75, 600,891.76 and 163,938.45 is: 245,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,595.75 : 600,891.76 = 163,938.45 : x
  2. Step 2: Convert to fraction form
    400,595.75/600,891.76 = 163,938.45/x
  3. Step 3: Cross multiply
    400,595.75x = 600,891.76 × 163,938.45
  4. Step 4: Simplify right side
    400,595.75x = 98,509,263,752.17
  5. Step 5: Solve for x
    x = 98,509,263,752.17/400,595.75
  6. Step 6: Final answer
    x = 245,906.91

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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.