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Finding the Fourth Proportional to 1,697.73, 2,547.42 and 602.61

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Solution

The fourth proportional to 1,697.73, 2,547.42 and 602.61 is: 904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.73 : 2,547.42 = 602.61 : x
  2. Step 2: Convert to fraction form
    1,697.73/2,547.42 = 602.61/x
  3. Step 3: Cross multiply
    1,697.73x = 2,547.42 × 602.61
  4. Step 4: Simplify right side
    1,697.73x = 1,535,100.77
  5. Step 5: Solve for x
    x = 1,535,100.77/1,697.73
  6. Step 6: Final answer
    x = 904.21

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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.