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Finding the Fourth Proportional to 1,325.07, 1,988.69 and 594.72

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Solution

The fourth proportional to 1,325.07, 1,988.69 and 594.72 is: 892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.07 : 1,988.69 = 594.72 : x
  2. Step 2: Convert to fraction form
    1,325.07/1,988.69 = 594.72/x
  3. Step 3: Cross multiply
    1,325.07x = 1,988.69 × 594.72
  4. Step 4: Simplify right side
    1,325.07x = 1,182,710.74
  5. Step 5: Solve for x
    x = 1,182,710.74/1,325.07
  6. Step 6: Final answer
    x = 892.56

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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.