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Finding the Fourth Proportional to 2,476.88, 3,715.28 and 602.79

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Solution

The fourth proportional to 2,476.88, 3,715.28 and 602.79 is: 904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.88 : 3,715.28 = 602.79 : x
  2. Step 2: Convert to fraction form
    2,476.88/3,715.28 = 602.79/x
  3. Step 3: Cross multiply
    2,476.88x = 3,715.28 × 602.79
  4. Step 4: Simplify right side
    2,476.88x = 2,239,533.63
  5. Step 5: Solve for x
    x = 2,239,533.63/2,476.88
  6. Step 6: Final answer
    x = 904.18

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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.