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Finding the Fourth Proportional to 1,546.78, 2,320.18 and 897.06

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Solution

The fourth proportional to 1,546.78, 2,320.18 and 897.06 is: 1,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.78 : 2,320.18 = 897.06 : x
  2. Step 2: Convert to fraction form
    1,546.78/2,320.18 = 897.06/x
  3. Step 3: Cross multiply
    1,546.78x = 2,320.18 × 897.06
  4. Step 4: Simplify right side
    1,546.78x = 2,081,340.67
  5. Step 5: Solve for x
    x = 2,081,340.67/1,546.78
  6. Step 6: Final answer
    x = 1,345.60

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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.