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Finding the Fourth Proportional to 407,600.22, 611,506.06 and 154,885.08

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Solution

The fourth proportional to 407,600.22, 611,506.06 and 154,885.08 is: 232,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,600.22 : 611,506.06 = 154,885.08 : x
  2. Step 2: Convert to fraction form
    407,600.22/611,506.06 = 154,885.08/x
  3. Step 3: Cross multiply
    407,600.22x = 611,506.06 × 154,885.08
  4. Step 4: Simplify right side
    407,600.22x = 94,713,165,023.58
  5. Step 5: Solve for x
    x = 94,713,165,023.58/407,600.22
  6. Step 6: Final answer
    x = 232,367.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.