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Finding the Fourth Proportional to 607,748.56, 838,650 and 335,813.56

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Solution

The fourth proportional to 607,748.56, 838,650 and 335,813.56 is: 463,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,748.56 : 838,650 = 335,813.56 : x
  2. Step 2: Convert to fraction form
    607,748.56/838,650 = 335,813.56/x
  3. Step 3: Cross multiply
    607,748.56x = 838,650 × 335,813.56
  4. Step 4: Simplify right side
    607,748.56x = 281,630,042,094
  5. Step 5: Solve for x
    x = 281,630,042,094/607,748.56
  6. Step 6: Final answer
    x = 463,398.95

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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.