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Finding the Fourth Proportional to 608,945.76, 840,333.08 and 336,997.84

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Solution

The fourth proportional to 608,945.76, 840,333.08 and 336,997.84 is: 465,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,945.76 : 840,333.08 = 336,997.84 : x
  2. Step 2: Convert to fraction form
    608,945.76/840,333.08 = 336,997.84/x
  3. Step 3: Cross multiply
    608,945.76x = 840,333.08 × 336,997.84
  4. Step 4: Simplify right side
    608,945.76x = 283,190,432,840.55
  5. Step 5: Solve for x
    x = 283,190,432,840.55/608,945.76
  6. Step 6: Final answer
    x = 465,050.34

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1.5x scale

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.