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Finding the Fourth Proportional to 1,529.95, 2,295.83 and 556.13

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Solution

The fourth proportional to 1,529.95, 2,295.83 and 556.13 is: 834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.95 : 2,295.83 = 556.13 : x
  2. Step 2: Convert to fraction form
    1,529.95/2,295.83 = 556.13/x
  3. Step 3: Cross multiply
    1,529.95x = 2,295.83 × 556.13
  4. Step 4: Simplify right side
    1,529.95x = 1,276,765.68
  5. Step 5: Solve for x
    x = 1,276,765.68/1,529.95
  6. Step 6: Final answer
    x = 834.52

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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.