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Finding the Fourth Proportional to 376,069.62, 563,574.06 and 207,665.76

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Solution

The fourth proportional to 376,069.62, 563,574.06 and 207,665.76 is: 311,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,069.62 : 563,574.06 = 207,665.76 : x
  2. Step 2: Convert to fraction form
    376,069.62/563,574.06 = 207,665.76/x
  3. Step 3: Cross multiply
    376,069.62x = 563,574.06 × 207,665.76
  4. Step 4: Simplify right side
    376,069.62x = 117,035,035,486.19
  5. Step 5: Solve for x
    x = 117,035,035,486.19/376,069.62
  6. Step 6: Final answer
    x = 311,205.77

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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.