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Finding the Fourth Proportional to 376,801.74, 519,980.40 and 207,032.22

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Solution

The fourth proportional to 376,801.74, 519,980.40 and 207,032.22 is: 285,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,801.74 : 519,980.40 = 207,032.22 : x
  2. Step 2: Convert to fraction form
    376,801.74/519,980.40 = 207,032.22/x
  3. Step 3: Cross multiply
    376,801.74x = 519,980.40 × 207,032.22
  4. Step 4: Simplify right side
    376,801.74x = 107,652,696,568.49
  5. Step 5: Solve for x
    x = 107,652,696,568.49/376,801.74
  6. Step 6: Final answer
    x = 285,701.17

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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.