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Finding the Fourth Proportional to 323,009.78, 484,157.85 and 133,365.59

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Solution

The fourth proportional to 323,009.78, 484,157.85 and 133,365.59 is: 199,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,009.78 : 484,157.85 = 133,365.59 : x
  2. Step 2: Convert to fraction form
    323,009.78/484,157.85 = 133,365.59/x
  3. Step 3: Cross multiply
    323,009.78x = 484,157.85 × 133,365.59
  4. Step 4: Simplify right side
    323,009.78x = 64,569,994,897.59
  5. Step 5: Solve for x
    x = 64,569,994,897.59/323,009.78
  6. Step 6: Final answer
    x = 199,901.06

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1.5x scale

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.