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Finding the Fourth Proportional to 610,524.96, 842,526.92 and 338,618.24

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Solution

The fourth proportional to 610,524.96, 842,526.92 and 338,618.24 is: 467,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,524.96 : 842,526.92 = 338,618.24 : x
  2. Step 2: Convert to fraction form
    610,524.96/842,526.92 = 338,618.24/x
  3. Step 3: Cross multiply
    610,524.96x = 842,526.92 × 338,618.24
  4. Step 4: Simplify right side
    610,524.96x = 285,294,982,803.02
  5. Step 5: Solve for x
    x = 285,294,982,803.02/610,524.96
  6. Step 6: Final answer
    x = 467,294.54

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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.