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Finding the Fourth Proportional to 484,783.86, 727,507.94 and 169,240.76

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Solution

The fourth proportional to 484,783.86, 727,507.94 and 169,240.76 is: 253,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,783.86 : 727,507.94 = 169,240.76 : x
  2. Step 2: Convert to fraction form
    484,783.86/727,507.94 = 169,240.76/x
  3. Step 3: Cross multiply
    484,783.86x = 727,507.94 × 169,240.76
  4. Step 4: Simplify right side
    484,783.86x = 123,123,996,671.63
  5. Step 5: Solve for x
    x = 123,123,996,671.63/484,783.86
  6. Step 6: Final answer
    x = 253,977.10

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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.