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Finding the Fourth Proportional to 407,418.61, 562,233.62 and 226,125.88

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Solution

The fourth proportional to 407,418.61, 562,233.62 and 226,125.88 is: 312,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,418.61 : 562,233.62 = 226,125.88 : x
  2. Step 2: Convert to fraction form
    407,418.61/562,233.62 = 226,125.88/x
  3. Step 3: Cross multiply
    407,418.61x = 562,233.62 × 226,125.88
  4. Step 4: Simplify right side
    407,418.61x = 127,135,572,088.09
  5. Step 5: Solve for x
    x = 127,135,572,088.09/407,418.61
  6. Step 6: Final answer
    x = 312,051.46

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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.