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Finding the Fourth Proportional to 1,084.17, 1,496.16 and 586.81

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Solution

The fourth proportional to 1,084.17, 1,496.16 and 586.81 is: 809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.17 : 1,496.16 = 586.81 : x
  2. Step 2: Convert to fraction form
    1,084.17/1,496.16 = 586.81/x
  3. Step 3: Cross multiply
    1,084.17x = 1,496.16 × 586.81
  4. Step 4: Simplify right side
    1,084.17x = 877,962.46
  5. Step 5: Solve for x
    x = 877,962.46/1,084.17
  6. Step 6: Final answer
    x = 809.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.