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Finding the Fourth Proportional to 563,156.52, 777,155.96 and 336,802

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Solution

The fourth proportional to 563,156.52, 777,155.96 and 336,802 is: 464,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,156.52 : 777,155.96 = 336,802 : x
  2. Step 2: Convert to fraction form
    563,156.52/777,155.96 = 336,802/x
  3. Step 3: Cross multiply
    563,156.52x = 777,155.96 × 336,802
  4. Step 4: Simplify right side
    563,156.52x = 261,747,681,639.92
  5. Step 5: Solve for x
    x = 261,747,681,639.92/563,156.52
  6. Step 6: Final answer
    x = 464,786.74

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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.