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Finding the Fourth Proportional to 585.84, 877.14 and 540.48

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Solution

The fourth proportional to 585.84, 877.14 and 540.48 is: 809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.84 : 877.14 = 540.48 : x
  2. Step 2: Convert to fraction form
    585.84/877.14 = 540.48/x
  3. Step 3: Cross multiply
    585.84x = 877.14 × 540.48
  4. Step 4: Simplify right side
    585.84x = 474,076.63
  5. Step 5: Solve for x
    x = 474,076.63/585.84
  6. Step 6: Final answer
    x = 809.23

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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.