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Finding the Fourth Proportional to 370,119.60, 554,304.60 and 251,146.80

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Solution

The fourth proportional to 370,119.60, 554,304.60 and 251,146.80 is: 376,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,119.60 : 554,304.60 = 251,146.80 : x
  2. Step 2: Convert to fraction form
    370,119.60/554,304.60 = 251,146.80/x
  3. Step 3: Cross multiply
    370,119.60x = 554,304.60 × 251,146.80
  4. Step 4: Simplify right side
    370,119.60x = 139,211,826,515.28
  5. Step 5: Solve for x
    x = 139,211,826,515.28/370,119.60
  6. Step 6: Final answer
    x = 376,126.60

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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.