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Finding the Fourth Proportional to 1,576.47, 2,364.78 and 602.66

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Solution

The fourth proportional to 1,576.47, 2,364.78 and 602.66 is: 904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.47 : 2,364.78 = 602.66 : x
  2. Step 2: Convert to fraction form
    1,576.47/2,364.78 = 602.66/x
  3. Step 3: Cross multiply
    1,576.47x = 2,364.78 × 602.66
  4. Step 4: Simplify right side
    1,576.47x = 1,425,146.49
  5. Step 5: Solve for x
    x = 1,425,146.49/1,576.47
  6. Step 6: Final answer
    x = 904.01

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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.