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Finding the Fourth Proportional to 363,666.38, 545,009.13 and 183,878.64

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Solution

The fourth proportional to 363,666.38, 545,009.13 and 183,878.64 is: 275,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,666.38 : 545,009.13 = 183,878.64 : x
  2. Step 2: Convert to fraction form
    363,666.38/545,009.13 = 183,878.64/x
  3. Step 3: Cross multiply
    363,666.38x = 545,009.13 × 183,878.64
  4. Step 4: Simplify right side
    363,666.38x = 100,215,538,503.04
  5. Step 5: Solve for x
    x = 100,215,538,503.04/363,666.38
  6. Step 6: Final answer
    x = 275,569.98

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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.