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Finding the Fourth Proportional to 607,305, 838,080.96 and 339,033

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Solution

The fourth proportional to 607,305, 838,080.96 and 339,033 is: 467,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,305 : 838,080.96 = 339,033 : x
  2. Step 2: Convert to fraction form
    607,305/838,080.96 = 339,033/x
  3. Step 3: Cross multiply
    607,305x = 838,080.96 × 339,033
  4. Step 4: Simplify right side
    607,305x = 284,137,102,111.68
  5. Step 5: Solve for x
    x = 284,137,102,111.68/607,305
  6. Step 6: Final answer
    x = 467,865.57

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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.