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Finding the Fourth Proportional to 454,526.70, 681,990.86 and 238,333.80

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Solution

The fourth proportional to 454,526.70, 681,990.86 and 238,333.80 is: 357,606.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,526.70 : 681,990.86 = 238,333.80 : x
  2. Step 2: Convert to fraction form
    454,526.70/681,990.86 = 238,333.80/x
  3. Step 3: Cross multiply
    454,526.70x = 681,990.86 × 238,333.80
  4. Step 4: Simplify right side
    454,526.70x = 162,541,473,229.07
  5. Step 5: Solve for x
    x = 162,541,473,229.07/454,526.70
  6. Step 6: Final answer
    x = 357,606.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.