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Finding the Fourth Proportional to 368,195.68, 551,943.48 and 234,701.20

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Solution

The fourth proportional to 368,195.68, 551,943.48 and 234,701.20 is: 351,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,195.68 : 551,943.48 = 234,701.20 : x
  2. Step 2: Convert to fraction form
    368,195.68/551,943.48 = 234,701.20/x
  3. Step 3: Cross multiply
    368,195.68x = 551,943.48 × 234,701.20
  4. Step 4: Simplify right side
    368,195.68x = 129,541,797,088.18
  5. Step 5: Solve for x
    x = 129,541,797,088.18/368,195.68
  6. Step 6: Final answer
    x = 351,828.67

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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.