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Finding the Fourth Proportional to 354,014.01, 488,536.79 and 192,869.01

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Solution

The fourth proportional to 354,014.01, 488,536.79 and 192,869.01 is: 266,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,014.01 : 488,536.79 = 192,869.01 : x
  2. Step 2: Convert to fraction form
    354,014.01/488,536.79 = 192,869.01/x
  3. Step 3: Cross multiply
    354,014.01x = 488,536.79 × 192,869.01
  4. Step 4: Simplify right side
    354,014.01x = 94,223,606,071.53
  5. Step 5: Solve for x
    x = 94,223,606,071.53/354,014.01
  6. Step 6: Final answer
    x = 266,157.85

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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.