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Finding the Fourth Proportional to 773,608.80, 1,160,413.20 and 441,832.80

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Solution

The fourth proportional to 773,608.80, 1,160,413.20 and 441,832.80 is: 662,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,608.80 : 1,160,413.20 = 441,832.80 : x
  2. Step 2: Convert to fraction form
    773,608.80/1,160,413.20 = 441,832.80/x
  3. Step 3: Cross multiply
    773,608.80x = 1,160,413.20 × 441,832.80
  4. Step 4: Simplify right side
    773,608.80x = 512,708,613,312.96
  5. Step 5: Solve for x
    x = 512,708,613,312.96/773,608.80
  6. Step 6: Final answer
    x = 662,749.20

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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.