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Finding the Fourth Proportional to 480,540.76, 663,113.73 and 265,651.81

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Solution

The fourth proportional to 480,540.76, 663,113.73 and 265,651.81 is: 366,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,540.76 : 663,113.73 = 265,651.81 : x
  2. Step 2: Convert to fraction form
    480,540.76/663,113.73 = 265,651.81/x
  3. Step 3: Cross multiply
    480,540.76x = 663,113.73 × 265,651.81
  4. Step 4: Simplify right side
    480,540.76x = 176,157,362,610.35
  5. Step 5: Solve for x
    x = 176,157,362,610.35/480,540.76
  6. Step 6: Final answer
    x = 366,581.52

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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.