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Finding the Fourth Proportional to 288,452.72, 432,091.56 and 235,334

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Solution

The fourth proportional to 288,452.72, 432,091.56 and 235,334 is: 352,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,452.72 : 432,091.56 = 235,334 : x
  2. Step 2: Convert to fraction form
    288,452.72/432,091.56 = 235,334/x
  3. Step 3: Cross multiply
    288,452.72x = 432,091.56 × 235,334
  4. Step 4: Simplify right side
    288,452.72x = 101,685,835,181.04
  5. Step 5: Solve for x
    x = 101,685,835,181.04/288,452.72
  6. Step 6: Final answer
    x = 352,521.67

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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.