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Finding the Fourth Proportional to 480,561.14, 663,147.60 and 265,688.66

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Solution

The fourth proportional to 480,561.14, 663,147.60 and 265,688.66 is: 366,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,561.14 : 663,147.60 = 265,688.66 : x
  2. Step 2: Convert to fraction form
    480,561.14/663,147.60 = 265,688.66/x
  3. Step 3: Cross multiply
    480,561.14x = 663,147.60 × 265,688.66
  4. Step 4: Simplify right side
    480,561.14x = 176,190,797,226.22
  5. Step 5: Solve for x
    x = 176,190,797,226.22/480,561.14
  6. Step 6: Final answer
    x = 366,635.55

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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.