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Finding the Fourth Proportional to 669,908.32, 1,003,073.28 and 563,620

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Solution

The fourth proportional to 669,908.32, 1,003,073.28 and 563,620 is: 843,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,908.32 : 1,003,073.28 = 563,620 : x
  2. Step 2: Convert to fraction form
    669,908.32/1,003,073.28 = 563,620/x
  3. Step 3: Cross multiply
    669,908.32x = 1,003,073.28 × 563,620
  4. Step 4: Simplify right side
    669,908.32x = 565,352,162,073.60
  5. Step 5: Solve for x
    x = 565,352,162,073.60/669,908.32
  6. Step 6: Final answer
    x = 843,924.68

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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.