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Finding the Fourth Proportional to 1,034.74, 1,427.93 and 586.60

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Solution

The fourth proportional to 1,034.74, 1,427.93 and 586.60 is: 809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.74 : 1,427.93 = 586.60 : x
  2. Step 2: Convert to fraction form
    1,034.74/1,427.93 = 586.60/x
  3. Step 3: Cross multiply
    1,034.74x = 1,427.93 × 586.60
  4. Step 4: Simplify right side
    1,034.74x = 837,627.47
  5. Step 5: Solve for x
    x = 837,627.47/1,034.74
  6. Step 6: Final answer
    x = 809.51

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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.