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Finding the Fourth Proportional to 262,866.79, 361,608.33 and 230,455.45

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Solution

The fourth proportional to 262,866.79, 361,608.33 and 230,455.45 is: 317,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,866.79 : 361,608.33 = 230,455.45 : x
  2. Step 2: Convert to fraction form
    262,866.79/361,608.33 = 230,455.45/x
  3. Step 3: Cross multiply
    262,866.79x = 361,608.33 × 230,455.45
  4. Step 4: Simplify right side
    262,866.79x = 83,334,610,413.90
  5. Step 5: Solve for x
    x = 83,334,610,413.90/262,866.79
  6. Step 6: Final answer
    x = 317,022.21

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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.