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Finding the Fourth Proportional to 607,747.56, 838,648.62 and 335,812.56

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Solution

The fourth proportional to 607,747.56, 838,648.62 and 335,812.56 is: 463,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,747.56 : 838,648.62 = 335,812.56 : x
  2. Step 2: Convert to fraction form
    607,747.56/838,648.62 = 335,812.56/x
  3. Step 3: Cross multiply
    607,747.56x = 838,648.62 × 335,812.56
  4. Step 4: Simplify right side
    607,747.56x = 281,628,740,022.67
  5. Step 5: Solve for x
    x = 281,628,740,022.67/607,747.56
  6. Step 6: Final answer
    x = 463,397.57

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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.