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Finding the Fourth Proportional to 480,525.48, 663,112.20 and 265,674.60

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Solution

The fourth proportional to 480,525.48, 663,112.20 and 265,674.60 is: 366,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,525.48 : 663,112.20 = 265,674.60 : x
  2. Step 2: Convert to fraction form
    480,525.48/663,112.20 = 265,674.60/x
  3. Step 3: Cross multiply
    480,525.48x = 663,112.20 × 265,674.60
  4. Step 4: Simplify right side
    480,525.48x = 176,172,068,490.12
  5. Step 5: Solve for x
    x = 176,172,068,490.12/480,525.48
  6. Step 6: Final answer
    x = 366,623.78

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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.