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Finding the Fourth Proportional to 385.60, 575.87 and 337

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Solution

The fourth proportional to 385.60, 575.87 and 337 is: 503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385.60 : 575.87 = 337 : x
  2. Step 2: Convert to fraction form
    385.60/575.87 = 337/x
  3. Step 3: Cross multiply
    385.60x = 575.87 × 337
  4. Step 4: Simplify right side
    385.60x = 194,068.19
  5. Step 5: Solve for x
    x = 194,068.19/385.60
  6. Step 6: Final answer
    x = 503.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.