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Finding the Fourth Proportional to 264,758.61, 394,335.14 and 263,468.28

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Solution

The fourth proportional to 264,758.61, 394,335.14 and 263,468.28 is: 392,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,758.61 : 394,335.14 = 263,468.28 : x
  2. Step 2: Convert to fraction form
    264,758.61/394,335.14 = 263,468.28/x
  3. Step 3: Cross multiply
    264,758.61x = 394,335.14 × 263,468.28
  4. Step 4: Simplify right side
    264,758.61x = 103,894,803,463.79
  5. Step 5: Solve for x
    x = 103,894,803,463.79/264,758.61
  6. Step 6: Final answer
    x = 392,413.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.