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Finding the Fourth Proportional to 468,124.20, 700,436.70 and 310,660.20

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Solution

The fourth proportional to 468,124.20, 700,436.70 and 310,660.20 is: 464,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,124.20 : 700,436.70 = 310,660.20 : x
  2. Step 2: Convert to fraction form
    468,124.20/700,436.70 = 310,660.20/x
  3. Step 3: Cross multiply
    468,124.20x = 700,436.70 × 310,660.20
  4. Step 4: Simplify right side
    468,124.20x = 217,597,805,309.34
  5. Step 5: Solve for x
    x = 217,597,805,309.34/468,124.20
  6. Step 6: Final answer
    x = 464,829.22

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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.