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Finding the Fourth Proportional to 468,257.33, 646,195.10 and 253,397.39

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Solution

The fourth proportional to 468,257.33, 646,195.10 and 253,397.39 is: 349,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,257.33 : 646,195.10 = 253,397.39 : x
  2. Step 2: Convert to fraction form
    468,257.33/646,195.10 = 253,397.39/x
  3. Step 3: Cross multiply
    468,257.33x = 646,195.10 × 253,397.39
  4. Step 4: Simplify right side
    468,257.33x = 163,744,151,770.79
  5. Step 5: Solve for x
    x = 163,744,151,770.79/468,257.33
  6. Step 6: Final answer
    x = 349,688.39

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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.