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Finding the Fourth Proportional to 470,050.54, 648,659.68 and 255,188.73

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Solution

The fourth proportional to 470,050.54, 648,659.68 and 255,188.73 is: 352,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,050.54 : 648,659.68 = 255,188.73 : x
  2. Step 2: Convert to fraction form
    470,050.54/648,659.68 = 255,188.73/x
  3. Step 3: Cross multiply
    470,050.54x = 648,659.68 × 255,188.73
  4. Step 4: Simplify right side
    470,050.54x = 165,530,639,941.41
  5. Step 5: Solve for x
    x = 165,530,639,941.41/470,050.54
  6. Step 6: Final answer
    x = 352,154.98

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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.