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Finding the Fourth Proportional to 382,341.39, 573,413.67 and 157,765.65

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Solution

The fourth proportional to 382,341.39, 573,413.67 and 157,765.65 is: 236,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,341.39 : 573,413.67 = 157,765.65 : x
  2. Step 2: Convert to fraction form
    382,341.39/573,413.67 = 157,765.65/x
  3. Step 3: Cross multiply
    382,341.39x = 573,413.67 × 157,765.65
  4. Step 4: Simplify right side
    382,341.39x = 90,464,980,366.44
  5. Step 5: Solve for x
    x = 90,464,980,366.44/382,341.39
  6. Step 6: Final answer
    x = 236,607.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.