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Finding the Fourth Proportional to 610,521.23, 842,571.06 and 338,676.70

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Solution

The fourth proportional to 610,521.23, 842,571.06 and 338,676.70 is: 467,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,521.23 : 842,571.06 = 338,676.70 : x
  2. Step 2: Convert to fraction form
    610,521.23/842,571.06 = 338,676.70/x
  3. Step 3: Cross multiply
    610,521.23x = 842,571.06 × 338,676.70
  4. Step 4: Simplify right side
    610,521.23x = 285,359,186,116.30
  5. Step 5: Solve for x
    x = 285,359,186,116.30/610,521.23
  6. Step 6: Final answer
    x = 467,402.56

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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.