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Finding the Fourth Proportional to 440,331.40, 607,801.62 and 259,033.96

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Solution

The fourth proportional to 440,331.40, 607,801.62 and 259,033.96 is: 357,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,331.40 : 607,801.62 = 259,033.96 : x
  2. Step 2: Convert to fraction form
    440,331.40/607,801.62 = 259,033.96/x
  3. Step 3: Cross multiply
    440,331.40x = 607,801.62 × 259,033.96
  4. Step 4: Simplify right side
    440,331.40x = 157,441,260,523.02
  5. Step 5: Solve for x
    x = 157,441,260,523.02/440,331.40
  6. Step 6: Final answer
    x = 357,551.75

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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.