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Finding the Fourth Proportional to 369,274.74, 553,690.24 and 144,367.30

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Solution

The fourth proportional to 369,274.74, 553,690.24 and 144,367.30 is: 216,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,274.74 : 553,690.24 = 144,367.30 : x
  2. Step 2: Convert to fraction form
    369,274.74/553,690.24 = 144,367.30/x
  3. Step 3: Cross multiply
    369,274.74x = 553,690.24 × 144,367.30
  4. Step 4: Simplify right side
    369,274.74x = 79,934,764,985.15
  5. Step 5: Solve for x
    x = 79,934,764,985.15/369,274.74
  6. Step 6: Final answer
    x = 216,464.21

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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.