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Finding the Fourth Proportional to 284,229.20, 425,524.60 and 173,637.20

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Solution

The fourth proportional to 284,229.20, 425,524.60 and 173,637.20 is: 259,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,229.20 : 425,524.60 = 173,637.20 : x
  2. Step 2: Convert to fraction form
    284,229.20/425,524.60 = 173,637.20/x
  3. Step 3: Cross multiply
    284,229.20x = 425,524.60 × 173,637.20
  4. Step 4: Simplify right side
    284,229.20x = 73,886,900,075.12
  5. Step 5: Solve for x
    x = 73,886,900,075.12/284,229.20
  6. Step 6: Final answer
    x = 259,955.35

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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.