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Finding the Fourth Proportional to 491,547.92, 737,321.20 and 154,618.16

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Solution

The fourth proportional to 491,547.92, 737,321.20 and 154,618.16 is: 231,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,547.92 : 737,321.20 = 154,618.16 : x
  2. Step 2: Convert to fraction form
    491,547.92/737,321.20 = 154,618.16/x
  3. Step 3: Cross multiply
    491,547.92x = 737,321.20 × 154,618.16
  4. Step 4: Simplify right side
    491,547.92x = 114,003,247,272.99
  5. Step 5: Solve for x
    x = 114,003,247,272.99/491,547.92
  6. Step 6: Final answer
    x = 231,927.03

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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.