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Finding the Fourth Proportional to 586,773.51, 878,583.39 and 372,380.68

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Solution

The fourth proportional to 586,773.51, 878,583.39 and 372,380.68 is: 557,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,773.51 : 878,583.39 = 372,380.68 : x
  2. Step 2: Convert to fraction form
    586,773.51/878,583.39 = 372,380.68/x
  3. Step 3: Cross multiply
    586,773.51x = 878,583.39 × 372,380.68
  4. Step 4: Simplify right side
    586,773.51x = 327,167,480,204.91
  5. Step 5: Solve for x
    x = 327,167,480,204.91/586,773.51
  6. Step 6: Final answer
    x = 557,570.30

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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.