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Finding the Fourth Proportional to 400,005.57, 600,008.90 and 163,348.23

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Solution

The fourth proportional to 400,005.57, 600,008.90 and 163,348.23 is: 245,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,005.57 : 600,008.90 = 163,348.23 : x
  2. Step 2: Convert to fraction form
    400,005.57/600,008.90 = 163,348.23/x
  3. Step 3: Cross multiply
    400,005.57x = 600,008.90 × 163,348.23
  4. Step 4: Simplify right side
    400,005.57x = 98,010,391,799.25
  5. Step 5: Solve for x
    x = 98,010,391,799.25/400,005.57
  6. Step 6: Final answer
    x = 245,022.57

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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.