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Finding the Fourth Proportional to 592.52, 817.88 and 509.29

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Solution

The fourth proportional to 592.52, 817.88 and 509.29 is: 702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.52 : 817.88 = 509.29 : x
  2. Step 2: Convert to fraction form
    592.52/817.88 = 509.29/x
  3. Step 3: Cross multiply
    592.52x = 817.88 × 509.29
  4. Step 4: Simplify right side
    592.52x = 416,533.51
  5. Step 5: Solve for x
    x = 416,533.51/592.52
  6. Step 6: Final answer
    x = 702.99

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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.