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Finding the Fourth Proportional to 326,707,219.40, 457,730,229.40 and 326,707,219.40

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Solution

The fourth proportional to 326,707,219.40, 457,730,229.40 and 326,707,219.40 is: 457,730,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,707,219.40 : 457,730,229.40 = 326,707,219.40 : x
  2. Step 2: Convert to fraction form
    326,707,219.40/457,730,229.40 = 326,707,219.40/x
  3. Step 3: Cross multiply
    326,707,219.40x = 457,730,229.40 × 326,707,219.40
  4. Step 4: Simplify right side
    326,707,219.40x = 149,543,770,482,598,112
  5. Step 5: Solve for x
    x = 149,543,770,482,598,112/326,707,219.40
  6. Step 6: Final answer
    x = 457,730,229.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.