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Finding the Fourth Proportional to 480,269.82, 720,776.61 and 181,022.64

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Solution

The fourth proportional to 480,269.82, 720,776.61 and 181,022.64 is: 271,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,269.82 : 720,776.61 = 181,022.64 : x
  2. Step 2: Convert to fraction form
    480,269.82/720,776.61 = 181,022.64/x
  3. Step 3: Cross multiply
    480,269.82x = 720,776.61 × 181,022.64
  4. Step 4: Simplify right side
    480,269.82x = 130,476,884,792.45
  5. Step 5: Solve for x
    x = 130,476,884,792.45/480,269.82
  6. Step 6: Final answer
    x = 271,674.13

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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.