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Finding the Fourth Proportional to 293,639.84, 440,459.76 and 83,251.52

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Solution

The fourth proportional to 293,639.84, 440,459.76 and 83,251.52 is: 124,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,639.84 : 440,459.76 = 83,251.52 : x
  2. Step 2: Convert to fraction form
    293,639.84/440,459.76 = 83,251.52/x
  3. Step 3: Cross multiply
    293,639.84x = 440,459.76 × 83,251.52
  4. Step 4: Simplify right side
    293,639.84x = 36,668,944,518.84
  5. Step 5: Solve for x
    x = 36,668,944,518.84/293,639.84
  6. Step 6: Final answer
    x = 124,877.28

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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.