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Finding the Fourth Proportional to 407,671.67, 562,605.63 and 226,384.30

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Solution

The fourth proportional to 407,671.67, 562,605.63 and 226,384.30 is: 312,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,671.67 : 562,605.63 = 226,384.30 : x
  2. Step 2: Convert to fraction form
    407,671.67/562,605.63 = 226,384.30/x
  3. Step 3: Cross multiply
    407,671.67x = 562,605.63 × 226,384.30
  4. Step 4: Simplify right side
    407,671.67x = 127,365,081,723.61
  5. Step 5: Solve for x
    x = 127,365,081,723.61/407,671.67
  6. Step 6: Final answer
    x = 312,420.73

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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.