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Finding the Fourth Proportional to 354,886.01, 531,885.99 and 177,443.76

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Solution

The fourth proportional to 354,886.01, 531,885.99 and 177,443.76 is: 265,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,886.01 : 531,885.99 = 177,443.76 : x
  2. Step 2: Convert to fraction form
    354,886.01/531,885.99 = 177,443.76/x
  3. Step 3: Cross multiply
    354,886.01x = 531,885.99 × 177,443.76
  4. Step 4: Simplify right side
    354,886.01x = 94,379,852,616.91
  5. Step 5: Solve for x
    x = 94,379,852,616.91/354,886.01
  6. Step 6: Final answer
    x = 265,944.13

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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.