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Finding the Fourth Proportional to 518,504.82, 777,757.23 and 163,546.52

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Solution

The fourth proportional to 518,504.82, 777,757.23 and 163,546.52 is: 245,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,504.82 : 777,757.23 = 163,546.52 : x
  2. Step 2: Convert to fraction form
    518,504.82/777,757.23 = 163,546.52/x
  3. Step 3: Cross multiply
    518,504.82x = 777,757.23 × 163,546.52
  4. Step 4: Simplify right side
    518,504.82x = 127,199,484,482.55
  5. Step 5: Solve for x
    x = 127,199,484,482.55/518,504.82
  6. Step 6: Final answer
    x = 245,319.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.