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Finding the Fourth Proportional to 454,295.10, 679,966.43 and 454,295.10

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Solution

The fourth proportional to 454,295.10, 679,966.43 and 454,295.10 is: 679,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,295.10 : 679,966.43 = 454,295.10 : x
  2. Step 2: Convert to fraction form
    454,295.10/679,966.43 = 454,295.10/x
  3. Step 3: Cross multiply
    454,295.10x = 679,966.43 × 454,295.10
  4. Step 4: Simplify right side
    454,295.10x = 308,905,415,042.02
  5. Step 5: Solve for x
    x = 308,905,415,042.02/454,295.10
  6. Step 6: Final answer
    x = 679,966.43

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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.