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Finding the Fourth Proportional to 532,938.37, 735,456.86 and 291,220.94

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Solution

The fourth proportional to 532,938.37, 735,456.86 and 291,220.94 is: 401,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,938.37 : 735,456.86 = 291,220.94 : x
  2. Step 2: Convert to fraction form
    532,938.37/735,456.86 = 291,220.94/x
  3. Step 3: Cross multiply
    532,938.37x = 735,456.86 × 291,220.94
  4. Step 4: Simplify right side
    532,938.37x = 214,180,438,098.65
  5. Step 5: Solve for x
    x = 214,180,438,098.65/532,938.37
  6. Step 6: Final answer
    x = 401,885.94

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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.