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Finding the Fourth Proportional to 334,398.02, 501,290.24 and 144,738.95

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Solution

The fourth proportional to 334,398.02, 501,290.24 and 144,738.95 is: 216,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,398.02 : 501,290.24 = 144,738.95 : x
  2. Step 2: Convert to fraction form
    334,398.02/501,290.24 = 144,738.95/x
  3. Step 3: Cross multiply
    334,398.02x = 501,290.24 × 144,738.95
  4. Step 4: Simplify right side
    334,398.02x = 72,556,219,752.70
  5. Step 5: Solve for x
    x = 72,556,219,752.70/334,398.02
  6. Step 6: Final answer
    x = 216,975.63

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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.