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Finding the Fourth Proportional to 480,725.44, 663,396.85 and 265,860.88

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Solution

The fourth proportional to 480,725.44, 663,396.85 and 265,860.88 is: 366,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,725.44 : 663,396.85 = 265,860.88 : x
  2. Step 2: Convert to fraction form
    480,725.44/663,396.85 = 265,860.88/x
  3. Step 3: Cross multiply
    480,725.44x = 663,396.85 × 265,860.88
  4. Step 4: Simplify right side
    480,725.44x = 176,371,270,330.23
  5. Step 5: Solve for x
    x = 176,371,270,330.23/480,725.44
  6. Step 6: Final answer
    x = 366,885.66

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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.