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Finding the Fourth Proportional to 1,171,876.59, 1,757,978.28 and 362,327.10

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Solution

The fourth proportional to 1,171,876.59, 1,757,978.28 and 362,327.10 is: 543,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,876.59 : 1,757,978.28 = 362,327.10 : x
  2. Step 2: Convert to fraction form
    1,171,876.59/1,757,978.28 = 362,327.10/x
  3. Step 3: Cross multiply
    1,171,876.59x = 1,757,978.28 × 362,327.10
  4. Step 4: Simplify right side
    1,171,876.59x = 636,963,172,055.39
  5. Step 5: Solve for x
    x = 636,963,172,055.39/1,171,876.59
  6. Step 6: Final answer
    x = 543,541.17

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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.