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Finding the Fourth Proportional to 607,705.11, 838,682.16 and 335,796.84

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Solution

The fourth proportional to 607,705.11, 838,682.16 and 335,796.84 is: 463,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,705.11 : 838,682.16 = 335,796.84 : x
  2. Step 2: Convert to fraction form
    607,705.11/838,682.16 = 335,796.84/x
  3. Step 3: Cross multiply
    607,705.11x = 838,682.16 × 335,796.84
  4. Step 4: Simplify right side
    607,705.11x = 281,626,819,092.37
  5. Step 5: Solve for x
    x = 281,626,819,092.37/607,705.11
  6. Step 6: Final answer
    x = 463,426.77

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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.