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Finding the Fourth Proportional to 480,546.30, 663,142.22 and 265,680.84

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Solution

The fourth proportional to 480,546.30, 663,142.22 and 265,680.84 is: 366,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,546.30 : 663,142.22 = 265,680.84 : x
  2. Step 2: Convert to fraction form
    480,546.30/663,142.22 = 265,680.84/x
  3. Step 3: Cross multiply
    480,546.30x = 663,142.22 × 265,680.84
  4. Step 4: Simplify right side
    480,546.30x = 176,184,182,049.07
  5. Step 5: Solve for x
    x = 176,184,182,049.07/480,546.30
  6. Step 6: Final answer
    x = 366,633.10

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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.