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Finding the Fourth Proportional to 518,505.82, 777,758.73 and 163,547.52

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Solution

The fourth proportional to 518,505.82, 777,758.73 and 163,547.52 is: 245,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,505.82 : 777,758.73 = 163,547.52 : x
  2. Step 2: Convert to fraction form
    518,505.82/777,758.73 = 163,547.52/x
  3. Step 3: Cross multiply
    518,505.82x = 777,758.73 × 163,547.52
  4. Step 4: Simplify right side
    518,505.82x = 127,200,511,449.85
  5. Step 5: Solve for x
    x = 127,200,511,449.85/518,505.82
  6. Step 6: Final answer
    x = 245,321.28

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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.