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Finding the Fourth Proportional to 607,272.96, 838,036.80 and 339,000.96

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Solution

The fourth proportional to 607,272.96, 838,036.80 and 339,000.96 is: 467,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,272.96 : 838,036.80 = 339,000.96 : x
  2. Step 2: Convert to fraction form
    607,272.96/838,036.80 = 339,000.96/x
  3. Step 3: Cross multiply
    607,272.96x = 838,036.80 × 339,000.96
  4. Step 4: Simplify right side
    607,272.96x = 284,095,279,715.33
  5. Step 5: Solve for x
    x = 284,095,279,715.33/607,272.96
  6. Step 6: Final answer
    x = 467,821.39

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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.