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Finding the Fourth Proportional to 349,583.76, 482,127.93 and 295,400.70

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Solution

The fourth proportional to 349,583.76, 482,127.93 and 295,400.70 is: 407,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,583.76 : 482,127.93 = 295,400.70 : x
  2. Step 2: Convert to fraction form
    349,583.76/482,127.93 = 295,400.70/x
  3. Step 3: Cross multiply
    349,583.76x = 482,127.93 × 295,400.70
  4. Step 4: Simplify right side
    349,583.76x = 142,420,928,011.55
  5. Step 5: Solve for x
    x = 142,420,928,011.55/349,583.76
  6. Step 6: Final answer
    x = 407,401.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.