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Finding the Fourth Proportional to 407,637.30, 562,520.72 and 226,360.77

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Solution

The fourth proportional to 407,637.30, 562,520.72 and 226,360.77 is: 312,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,637.30 : 562,520.72 = 226,360.77 : x
  2. Step 2: Convert to fraction form
    407,637.30/562,520.72 = 226,360.77/x
  3. Step 3: Cross multiply
    407,637.30x = 562,520.72 × 226,360.77
  4. Step 4: Simplify right side
    407,637.30x = 127,332,622,188.35
  5. Step 5: Solve for x
    x = 127,332,622,188.35/407,637.30
  6. Step 6: Final answer
    x = 312,367.45

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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.