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Finding the Fourth Proportional to 1,046.16, 1,444.50 and 653.88

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Solution

The fourth proportional to 1,046.16, 1,444.50 and 653.88 is: 902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.16 : 1,444.50 = 653.88 : x
  2. Step 2: Convert to fraction form
    1,046.16/1,444.50 = 653.88/x
  3. Step 3: Cross multiply
    1,046.16x = 1,444.50 × 653.88
  4. Step 4: Simplify right side
    1,046.16x = 944,529.66
  5. Step 5: Solve for x
    x = 944,529.66/1,046.16
  6. Step 6: Final answer
    x = 902.85

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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.