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Finding the Fourth Proportional to 607,654.80, 838,572.39 and 335,728.98

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Solution

The fourth proportional to 607,654.80, 838,572.39 and 335,728.98 is: 463,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,654.80 : 838,572.39 = 335,728.98 : x
  2. Step 2: Convert to fraction form
    607,654.80/838,572.39 = 335,728.98/x
  3. Step 3: Cross multiply
    607,654.80x = 838,572.39 × 335,728.98
  4. Step 4: Simplify right side
    607,654.80x = 281,533,053,150.86
  5. Step 5: Solve for x
    x = 281,533,053,150.86/607,654.80
  6. Step 6: Final answer
    x = 463,310.84

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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.