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Finding the Fourth Proportional to 447,812.67, 617,881.41 and 375,508.02

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Solution

The fourth proportional to 447,812.67, 617,881.41 and 375,508.02 is: 518,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,812.67 : 617,881.41 = 375,508.02 : x
  2. Step 2: Convert to fraction form
    447,812.67/617,881.41 = 375,508.02/x
  3. Step 3: Cross multiply
    447,812.67x = 617,881.41 × 375,508.02
  4. Step 4: Simplify right side
    447,812.67x = 232,019,424,257.98
  5. Step 5: Solve for x
    x = 232,019,424,257.98/447,812.67
  6. Step 6: Final answer
    x = 518,117.15

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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.