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Finding the Fourth Proportional to 486,253, 670,226.02 and 325,049.22

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Solution

The fourth proportional to 486,253, 670,226.02 and 325,049.22 is: 448,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,253 : 670,226.02 = 325,049.22 : x
  2. Step 2: Convert to fraction form
    486,253/670,226.02 = 325,049.22/x
  3. Step 3: Cross multiply
    486,253x = 670,226.02 × 325,049.22
  4. Step 4: Simplify right side
    486,253x = 217,856,445,024.70
  5. Step 5: Solve for x
    x = 217,856,445,024.70/486,253
  6. Step 6: Final answer
    x = 448,031.06

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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.