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Finding the Fourth Proportional to 610,242.89, 915,364.38 and 236,265.89

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Solution

The fourth proportional to 610,242.89, 915,364.38 and 236,265.89 is: 354,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,242.89 : 915,364.38 = 236,265.89 : x
  2. Step 2: Convert to fraction form
    610,242.89/915,364.38 = 236,265.89/x
  3. Step 3: Cross multiply
    610,242.89x = 915,364.38 × 236,265.89
  4. Step 4: Simplify right side
    610,242.89x = 216,269,379,915.00
  5. Step 5: Solve for x
    x = 216,269,379,915.00/610,242.89
  6. Step 6: Final answer
    x = 354,398.85

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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.