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Finding the Fourth Proportional to 610,353.50, 842,297.98 and 338,432.88

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Solution

The fourth proportional to 610,353.50, 842,297.98 and 338,432.88 is: 467,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,353.50 : 842,297.98 = 338,432.88 : x
  2. Step 2: Convert to fraction form
    610,353.50/842,297.98 = 338,432.88/x
  3. Step 3: Cross multiply
    610,353.50x = 842,297.98 × 338,432.88
  4. Step 4: Simplify right side
    610,353.50x = 285,061,331,189.58
  5. Step 5: Solve for x
    x = 285,061,331,189.58/610,353.50
  6. Step 6: Final answer
    x = 467,043.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.