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Finding the Fourth Proportional to 425,251.92, 586,722.11 and 253,031.84

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Solution

The fourth proportional to 425,251.92, 586,722.11 and 253,031.84 is: 349,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,251.92 : 586,722.11 = 253,031.84 : x
  2. Step 2: Convert to fraction form
    425,251.92/586,722.11 = 253,031.84/x
  3. Step 3: Cross multiply
    425,251.92x = 586,722.11 × 253,031.84
  4. Step 4: Simplify right side
    425,251.92x = 148,459,370,863.21
  5. Step 5: Solve for x
    x = 148,459,370,863.21/425,251.92
  6. Step 6: Final answer
    x = 349,109.23

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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.