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Finding the Fourth Proportional to 608,940.20, 912,632.70 and 468,000.20

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Solution

The fourth proportional to 608,940.20, 912,632.70 and 468,000.20 is: 701,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,940.20 : 912,632.70 = 468,000.20 : x
  2. Step 2: Convert to fraction form
    608,940.20/912,632.70 = 468,000.20/x
  3. Step 3: Cross multiply
    608,940.20x = 912,632.70 × 468,000.20
  4. Step 4: Simplify right side
    608,940.20x = 427,112,286,126.54
  5. Step 5: Solve for x
    x = 427,112,286,126.54/608,940.20
  6. Step 6: Final answer
    x = 701,402.68

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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.