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Finding the Fourth Proportional to 407,418.71, 562,233.59 and 226,132.22

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Solution

The fourth proportional to 407,418.71, 562,233.59 and 226,132.22 is: 312,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,418.71 : 562,233.59 = 226,132.22 : x
  2. Step 2: Convert to fraction form
    407,418.71/562,233.59 = 226,132.22/x
  3. Step 3: Cross multiply
    407,418.71x = 562,233.59 × 226,132.22
  4. Step 4: Simplify right side
    407,418.71x = 127,139,128,734.61
  5. Step 5: Solve for x
    x = 127,139,128,734.61/407,418.71
  6. Step 6: Final answer
    x = 312,060.11

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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.