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Finding the Fourth Proportional to 351,223.48, 526,303.05 and 232,469.38

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Solution

The fourth proportional to 351,223.48, 526,303.05 and 232,469.38 is: 348,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,223.48 : 526,303.05 = 232,469.38 : x
  2. Step 2: Convert to fraction form
    351,223.48/526,303.05 = 232,469.38/x
  3. Step 3: Cross multiply
    351,223.48x = 526,303.05 × 232,469.38
  4. Step 4: Simplify right side
    351,223.48x = 122,349,343,725.61
  5. Step 5: Solve for x
    x = 122,349,343,725.61/351,223.48
  6. Step 6: Final answer
    x = 348,351.83

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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.