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Finding the Fourth Proportional to 501.90, 752.88 and 228.04

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Solution

The fourth proportional to 501.90, 752.88 and 228.04 is: 342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.90 : 752.88 = 228.04 : x
  2. Step 2: Convert to fraction form
    501.90/752.88 = 228.04/x
  3. Step 3: Cross multiply
    501.90x = 752.88 × 228.04
  4. Step 4: Simplify right side
    501.90x = 171,686.76
  5. Step 5: Solve for x
    x = 171,686.76/501.90
  6. Step 6: Final answer
    x = 342.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.