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Finding the Fourth Proportional to 585,783.66, 878,339.04 and 230,603.88

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Solution

The fourth proportional to 585,783.66, 878,339.04 and 230,603.88 is: 345,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,783.66 : 878,339.04 = 230,603.88 : x
  2. Step 2: Convert to fraction form
    585,783.66/878,339.04 = 230,603.88/x
  3. Step 3: Cross multiply
    585,783.66x = 878,339.04 × 230,603.88
  4. Step 4: Simplify right side
    585,783.66x = 202,548,390,579.48
  5. Step 5: Solve for x
    x = 202,548,390,579.48/585,783.66
  6. Step 6: Final answer
    x = 345,773.37

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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.