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Finding the Fourth Proportional to 916.01, 1,373.59 and 568.82

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Solution

The fourth proportional to 916.01, 1,373.59 and 568.82 is: 852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.01 : 1,373.59 = 568.82 : x
  2. Step 2: Convert to fraction form
    916.01/1,373.59 = 568.82/x
  3. Step 3: Cross multiply
    916.01x = 1,373.59 × 568.82
  4. Step 4: Simplify right side
    916.01x = 781,329.61
  5. Step 5: Solve for x
    x = 781,329.61/916.01
  6. Step 6: Final answer
    x = 852.97

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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.