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Finding the Fourth Proportional to 296,392.74, 444,603.42 and 96,712.98

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Solution

The fourth proportional to 296,392.74, 444,603.42 and 96,712.98 is: 145,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,392.74 : 444,603.42 = 96,712.98 : x
  2. Step 2: Convert to fraction form
    296,392.74/444,603.42 = 96,712.98/x
  3. Step 3: Cross multiply
    296,392.74x = 444,603.42 × 96,712.98
  4. Step 4: Simplify right side
    296,392.74x = 42,998,921,666.39
  5. Step 5: Solve for x
    x = 42,998,921,666.39/296,392.74
  6. Step 6: Final answer
    x = 145,074.14

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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.