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Finding the Fourth Proportional to 589.61, 808.90 and 584.84

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Solution

The fourth proportional to 589.61, 808.90 and 584.84 is: 802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.61 : 808.90 = 584.84 : x
  2. Step 2: Convert to fraction form
    589.61/808.90 = 584.84/x
  3. Step 3: Cross multiply
    589.61x = 808.90 × 584.84
  4. Step 4: Simplify right side
    589.61x = 473,076.38
  5. Step 5: Solve for x
    x = 473,076.38/589.61
  6. Step 6: Final answer
    x = 802.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.