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Finding the Fourth Proportional to 480,484.43, 663,017.77 and 265,589.81

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Solution

The fourth proportional to 480,484.43, 663,017.77 and 265,589.81 is: 366,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,484.43 : 663,017.77 = 265,589.81 : x
  2. Step 2: Convert to fraction form
    480,484.43/663,017.77 = 265,589.81/x
  3. Step 3: Cross multiply
    480,484.43x = 663,017.77 × 265,589.81
  4. Step 4: Simplify right side
    480,484.43x = 176,090,763,560.92
  5. Step 5: Solve for x
    x = 176,090,763,560.92/480,484.43
  6. Step 6: Final answer
    x = 366,485.89

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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.