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Finding the Fourth Proportional to 400,416.84, 552,600.90 and 230,648.04

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Solution

The fourth proportional to 400,416.84, 552,600.90 and 230,648.04 is: 318,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,416.84 : 552,600.90 = 230,648.04 : x
  2. Step 2: Convert to fraction form
    400,416.84/552,600.90 = 230,648.04/x
  3. Step 3: Cross multiply
    400,416.84x = 552,600.90 × 230,648.04
  4. Step 4: Simplify right side
    400,416.84x = 127,456,314,487.24
  5. Step 5: Solve for x
    x = 127,456,314,487.24/400,416.84
  6. Step 6: Final answer
    x = 318,309.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.