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Finding the Fourth Proportional to 615,737.94, 849,860.02 and 361,171.14

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Solution

The fourth proportional to 615,737.94, 849,860.02 and 361,171.14 is: 498,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,737.94 : 849,860.02 = 361,171.14 : x
  2. Step 2: Convert to fraction form
    615,737.94/849,860.02 = 361,171.14/x
  3. Step 3: Cross multiply
    615,737.94x = 849,860.02 × 361,171.14
  4. Step 4: Simplify right side
    615,737.94x = 306,944,912,263.82
  5. Step 5: Solve for x
    x = 306,944,912,263.82/615,737.94
  6. Step 6: Final answer
    x = 498,499.27

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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.