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Finding the Fourth Proportional to 563,607.87, 845,522.64 and 208,624.97

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Solution

The fourth proportional to 563,607.87, 845,522.64 and 208,624.97 is: 312,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,607.87 : 845,522.64 = 208,624.97 : x
  2. Step 2: Convert to fraction form
    563,607.87/845,522.64 = 208,624.97/x
  3. Step 3: Cross multiply
    563,607.87x = 845,522.64 × 208,624.97
  4. Step 4: Simplify right side
    563,607.87x = 176,397,131,176.71
  5. Step 5: Solve for x
    x = 176,397,131,176.71/563,607.87
  6. Step 6: Final answer
    x = 312,978.47

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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.