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Finding the Fourth Proportional to 916.59, 1,265.01 and 567.33

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Solution

The fourth proportional to 916.59, 1,265.01 and 567.33 is: 782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.59 : 1,265.01 = 567.33 : x
  2. Step 2: Convert to fraction form
    916.59/1,265.01 = 567.33/x
  3. Step 3: Cross multiply
    916.59x = 1,265.01 × 567.33
  4. Step 4: Simplify right side
    916.59x = 717,678.12
  5. Step 5: Solve for x
    x = 717,678.12/916.59
  6. Step 6: Final answer
    x = 782.99

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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.