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Finding the Fourth Proportional to 425,492.40, 587,014.92 and 244,138.80

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Solution

The fourth proportional to 425,492.40, 587,014.92 and 244,138.80 is: 336,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,492.40 : 587,014.92 = 244,138.80 : x
  2. Step 2: Convert to fraction form
    425,492.40/587,014.92 = 244,138.80/x
  3. Step 3: Cross multiply
    425,492.40x = 587,014.92 × 244,138.80
  4. Step 4: Simplify right side
    425,492.40x = 143,313,118,150.90
  5. Step 5: Solve for x
    x = 143,313,118,150.90/425,492.40
  6. Step 6: Final answer
    x = 336,817.10

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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.