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Finding the Fourth Proportional to 556,596.46, 768,105.06 and 301,949.47

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Solution

The fourth proportional to 556,596.46, 768,105.06 and 301,949.47 is: 416,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,596.46 : 768,105.06 = 301,949.47 : x
  2. Step 2: Convert to fraction form
    556,596.46/768,105.06 = 301,949.47/x
  3. Step 3: Cross multiply
    556,596.46x = 768,105.06 × 301,949.47
  4. Step 4: Simplify right side
    556,596.46x = 231,928,911,930.79
  5. Step 5: Solve for x
    x = 231,928,911,930.79/556,596.46
  6. Step 6: Final answer
    x = 416,691.32

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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.