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Finding the Fourth Proportional to 482,903.16, 666,401.54 and 268,037.70

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Solution

The fourth proportional to 482,903.16, 666,401.54 and 268,037.70 is: 369,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,903.16 : 666,401.54 = 268,037.70 : x
  2. Step 2: Convert to fraction form
    482,903.16/666,401.54 = 268,037.70/x
  3. Step 3: Cross multiply
    482,903.16x = 666,401.54 × 268,037.70
  4. Step 4: Simplify right side
    482,903.16x = 178,620,736,058.06
  5. Step 5: Solve for x
    x = 178,620,736,058.06/482,903.16
  6. Step 6: Final answer
    x = 369,889.35

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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.