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Finding the Fourth Proportional to 1,050.68, 1,449.95 and 584.93

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Solution

The fourth proportional to 1,050.68, 1,449.95 and 584.93 is: 807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.68 : 1,449.95 = 584.93 : x
  2. Step 2: Convert to fraction form
    1,050.68/1,449.95 = 584.93/x
  3. Step 3: Cross multiply
    1,050.68x = 1,449.95 × 584.93
  4. Step 4: Simplify right side
    1,050.68x = 848,119.17
  5. Step 5: Solve for x
    x = 848,119.17/1,050.68
  6. Step 6: Final answer
    x = 807.21

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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.