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Finding the Fourth Proportional to 468.58, 702.25 and 339.01

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Solution

The fourth proportional to 468.58, 702.25 and 339.01 is: 508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.58 : 702.25 = 339.01 : x
  2. Step 2: Convert to fraction form
    468.58/702.25 = 339.01/x
  3. Step 3: Cross multiply
    468.58x = 702.25 × 339.01
  4. Step 4: Simplify right side
    468.58x = 238,069.77
  5. Step 5: Solve for x
    x = 238,069.77/468.58
  6. Step 6: Final answer
    x = 508.07

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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.