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Finding the Fourth Proportional to 608,940.70, 912,633.45 and 468,000.70

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Solution

The fourth proportional to 608,940.70, 912,633.45 and 468,000.70 is: 701,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,940.70 : 912,633.45 = 468,000.70 : x
  2. Step 2: Convert to fraction form
    608,940.70/912,633.45 = 468,000.70/x
  3. Step 3: Cross multiply
    608,940.70x = 912,633.45 × 468,000.70
  4. Step 4: Simplify right side
    608,940.70x = 427,113,093,443.42
  5. Step 5: Solve for x
    x = 427,113,093,443.42/608,940.70
  6. Step 6: Final answer
    x = 701,403.43

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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.