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Finding the Fourth Proportional to 708,922.56, 977,760 and 454,297.44

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Solution

The fourth proportional to 708,922.56, 977,760 and 454,297.44 is: 626,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,922.56 : 977,760 = 454,297.44 : x
  2. Step 2: Convert to fraction form
    708,922.56/977,760 = 454,297.44/x
  3. Step 3: Cross multiply
    708,922.56x = 977,760 × 454,297.44
  4. Step 4: Simplify right side
    708,922.56x = 444,193,864,934.40
  5. Step 5: Solve for x
    x = 444,193,864,934.40/708,922.56
  6. Step 6: Final answer
    x = 626,576.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.