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Finding the Fourth Proportional to 468,267.72, 646,211.09 and 253,407.73

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Solution

The fourth proportional to 468,267.72, 646,211.09 and 253,407.73 is: 349,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,267.72 : 646,211.09 = 253,407.73 : x
  2. Step 2: Convert to fraction form
    468,267.72/646,211.09 = 253,407.73/x
  3. Step 3: Cross multiply
    468,267.72x = 646,211.09 × 253,407.73
  4. Step 4: Simplify right side
    468,267.72x = 163,754,882,535.16
  5. Step 5: Solve for x
    x = 163,754,882,535.16/468,267.72
  6. Step 6: Final answer
    x = 349,703.55

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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.