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Finding the Fourth Proportional to 480,376.82, 662,954.42 and 265,512.30

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Solution

The fourth proportional to 480,376.82, 662,954.42 and 265,512.30 is: 366,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,376.82 : 662,954.42 = 265,512.30 : x
  2. Step 2: Convert to fraction form
    480,376.82/662,954.42 = 265,512.30/x
  3. Step 3: Cross multiply
    480,376.82x = 662,954.42 × 265,512.30
  4. Step 4: Simplify right side
    480,376.82x = 176,022,552,849.37
  5. Step 5: Solve for x
    x = 176,022,552,849.37/480,376.82
  6. Step 6: Final answer
    x = 366,425.99

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1.5x scale

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.