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Finding the Fourth Proportional to 480,040.56, 662,480.64 and 265,178.88

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Solution

The fourth proportional to 480,040.56, 662,480.64 and 265,178.88 is: 365,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,040.56 : 662,480.64 = 265,178.88 : x
  2. Step 2: Convert to fraction form
    480,040.56/662,480.64 = 265,178.88/x
  3. Step 3: Cross multiply
    480,040.56x = 662,480.64 × 265,178.88
  4. Step 4: Simplify right side
    480,040.56x = 175,675,874,136.88
  5. Step 5: Solve for x
    x = 175,675,874,136.88/480,040.56
  6. Step 6: Final answer
    x = 365,960.48

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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.