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Finding the Fourth Proportional to 1,717.32, 2,574.81 and 546.93

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Solution

The fourth proportional to 1,717.32, 2,574.81 and 546.93 is: 820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.32 : 2,574.81 = 546.93 : x
  2. Step 2: Convert to fraction form
    1,717.32/2,574.81 = 546.93/x
  3. Step 3: Cross multiply
    1,717.32x = 2,574.81 × 546.93
  4. Step 4: Simplify right side
    1,717.32x = 1,408,240.83
  5. Step 5: Solve for x
    x = 1,408,240.83/1,717.32
  6. Step 6: Final answer
    x = 820.02

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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.