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Finding the Fourth Proportional to 575, 793.52 and 368

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Solution

The fourth proportional to 575, 793.52 and 368 is: 507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575 : 793.52 = 368 : x
  2. Step 2: Convert to fraction form
    575/793.52 = 368/x
  3. Step 3: Cross multiply
    575x = 793.52 × 368
  4. Step 4: Simplify right side
    575x = 292,015.36
  5. Step 5: Solve for x
    x = 292,015.36/575
  6. Step 6: Final answer
    x = 507.85

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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.