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Finding the Fourth Proportional to 401,758.96, 602,684.52 and 121,293.04

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Solution

The fourth proportional to 401,758.96, 602,684.52 and 121,293.04 is: 181,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,758.96 : 602,684.52 = 121,293.04 : x
  2. Step 2: Convert to fraction form
    401,758.96/602,684.52 = 121,293.04/x
  3. Step 3: Cross multiply
    401,758.96x = 602,684.52 × 121,293.04
  4. Step 4: Simplify right side
    401,758.96x = 73,101,437,591.74
  5. Step 5: Solve for x
    x = 73,101,437,591.74/401,758.96
  6. Step 6: Final answer
    x = 181,953.47

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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.