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Finding the Fourth Proportional to 1,300.41, 1,949.49 and 606.74

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Solution

The fourth proportional to 1,300.41, 1,949.49 and 606.74 is: 909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.41 : 1,949.49 = 606.74 : x
  2. Step 2: Convert to fraction form
    1,300.41/1,949.49 = 606.74/x
  3. Step 3: Cross multiply
    1,300.41x = 1,949.49 × 606.74
  4. Step 4: Simplify right side
    1,300.41x = 1,182,823.82
  5. Step 5: Solve for x
    x = 1,182,823.82/1,300.41
  6. Step 6: Final answer
    x = 909.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.