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Finding the Fourth Proportional to 482,592.74, 722,076.53 and 300,278.95

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Solution

The fourth proportional to 482,592.74, 722,076.53 and 300,278.95 is: 449,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,592.74 : 722,076.53 = 300,278.95 : x
  2. Step 2: Convert to fraction form
    482,592.74/722,076.53 = 300,278.95/x
  3. Step 3: Cross multiply
    482,592.74x = 722,076.53 × 300,278.95
  4. Step 4: Simplify right side
    482,592.74x = 216,824,378,941.46
  5. Step 5: Solve for x
    x = 216,824,378,941.46/482,592.74
  6. Step 6: Final answer
    x = 449,290.60

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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.