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Finding the Fourth Proportional to 503,045.54, 754,486.30 and 147,976.52

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Solution

The fourth proportional to 503,045.54, 754,486.30 and 147,976.52 is: 221,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,045.54 : 754,486.30 = 147,976.52 : x
  2. Step 2: Convert to fraction form
    503,045.54/754,486.30 = 147,976.52/x
  3. Step 3: Cross multiply
    503,045.54x = 754,486.30 × 147,976.52
  4. Step 4: Simplify right side
    503,045.54x = 111,646,256,885.83
  5. Step 5: Solve for x
    x = 111,646,256,885.83/503,045.54
  6. Step 6: Final answer
    x = 221,940.66

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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.