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Finding the Fourth Proportional to 480,091.93, 662,545.91 and 276,142.64

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Solution

The fourth proportional to 480,091.93, 662,545.91 and 276,142.64 is: 381,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,091.93 : 662,545.91 = 276,142.64 : x
  2. Step 2: Convert to fraction form
    480,091.93/662,545.91 = 276,142.64/x
  3. Step 3: Cross multiply
    480,091.93x = 662,545.91 × 276,142.64
  4. Step 4: Simplify right side
    480,091.93x = 182,957,174,086.23
  5. Step 5: Solve for x
    x = 182,957,174,086.23/480,091.93
  6. Step 6: Final answer
    x = 381,087.80

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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.