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Finding the Fourth Proportional to 440,413.48, 607,770.84 and 239,209.48

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Solution

The fourth proportional to 440,413.48, 607,770.84 and 239,209.48 is: 330,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,413.48 : 607,770.84 = 239,209.48 : x
  2. Step 2: Convert to fraction form
    440,413.48/607,770.84 = 239,209.48/x
  3. Step 3: Cross multiply
    440,413.48x = 607,770.84 × 239,209.48
  4. Step 4: Simplify right side
    440,413.48x = 145,384,546,595.56
  5. Step 5: Solve for x
    x = 145,384,546,595.56/440,413.48
  6. Step 6: Final answer
    x = 330,109.21

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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.