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Finding the Fourth Proportional to 470,560.51, 649,377.07 and 255,701.73

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Solution

The fourth proportional to 470,560.51, 649,377.07 and 255,701.73 is: 352,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,560.51 : 649,377.07 = 255,701.73 : x
  2. Step 2: Convert to fraction form
    470,560.51/649,377.07 = 255,701.73/x
  3. Step 3: Cross multiply
    470,560.51x = 649,377.07 × 255,701.73
  4. Step 4: Simplify right side
    470,560.51x = 166,046,840,221.33
  5. Step 5: Solve for x
    x = 166,046,840,221.33/470,560.51
  6. Step 6: Final answer
    x = 352,870.33

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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.