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Finding the Fourth Proportional to 296,390.77, 444,586.47 and 138,729.94

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Solution

The fourth proportional to 296,390.77, 444,586.47 and 138,729.94 is: 208,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,390.77 : 444,586.47 = 138,729.94 : x
  2. Step 2: Convert to fraction form
    296,390.77/444,586.47 = 138,729.94/x
  3. Step 3: Cross multiply
    296,390.77x = 444,586.47 × 138,729.94
  4. Step 4: Simplify right side
    296,390.77x = 61,677,454,307.91
  5. Step 5: Solve for x
    x = 61,677,454,307.91/296,390.77
  6. Step 6: Final answer
    x = 208,095.06

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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.