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Finding the Fourth Proportional to 425,946.24, 587,874.24 and 253,872

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Solution

The fourth proportional to 425,946.24, 587,874.24 and 253,872 is: 350,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,946.24 : 587,874.24 = 253,872 : x
  2. Step 2: Convert to fraction form
    425,946.24/587,874.24 = 253,872/x
  3. Step 3: Cross multiply
    425,946.24x = 587,874.24 × 253,872
  4. Step 4: Simplify right side
    425,946.24x = 149,244,809,057.28
  5. Step 5: Solve for x
    x = 149,244,809,057.28/425,946.24
  6. Step 6: Final answer
    x = 350,384.14

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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.