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Finding the Fourth Proportional to 1,048.53, 1,446.86 and 606.35

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Solution

The fourth proportional to 1,048.53, 1,446.86 and 606.35 is: 836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.53 : 1,446.86 = 606.35 : x
  2. Step 2: Convert to fraction form
    1,048.53/1,446.86 = 606.35/x
  3. Step 3: Cross multiply
    1,048.53x = 1,446.86 × 606.35
  4. Step 4: Simplify right side
    1,048.53x = 877,293.29
  5. Step 5: Solve for x
    x = 877,293.29/1,048.53
  6. Step 6: Final answer
    x = 836.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.