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Finding the Fourth Proportional to 607,724.37, 838,645.85 and 335,792.79

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Solution

The fourth proportional to 607,724.37, 838,645.85 and 335,792.79 is: 463,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,724.37 : 838,645.85 = 335,792.79 : x
  2. Step 2: Convert to fraction form
    607,724.37/838,645.85 = 335,792.79/x
  3. Step 3: Cross multiply
    607,724.37x = 838,645.85 × 335,792.79
  4. Step 4: Simplify right side
    607,724.37x = 281,611,228,114.46
  5. Step 5: Solve for x
    x = 281,611,228,114.46/607,724.37
  6. Step 6: Final answer
    x = 463,386.43

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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.