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Finding the Fourth Proportional to 585,789.84, 878,368.77 and 265,767.08

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Solution

The fourth proportional to 585,789.84, 878,368.77 and 265,767.08 is: 398,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,789.84 : 878,368.77 = 265,767.08 : x
  2. Step 2: Convert to fraction form
    585,789.84/878,368.77 = 265,767.08/x
  3. Step 3: Cross multiply
    585,789.84x = 878,368.77 × 265,767.08
  4. Step 4: Simplify right side
    585,789.84x = 233,441,498,774.25
  5. Step 5: Solve for x
    x = 233,441,498,774.25/585,789.84
  6. Step 6: Final answer
    x = 398,507.25

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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.