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Finding the Fourth Proportional to 334,798.86, 502,069.76 and 142,551.39

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Solution

The fourth proportional to 334,798.86, 502,069.76 and 142,551.39 is: 213,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,798.86 : 502,069.76 = 142,551.39 : x
  2. Step 2: Convert to fraction form
    334,798.86/502,069.76 = 142,551.39/x
  3. Step 3: Cross multiply
    334,798.86x = 502,069.76 × 142,551.39
  4. Step 4: Simplify right side
    334,798.86x = 71,570,741,452.21
  5. Step 5: Solve for x
    x = 71,570,741,452.21/334,798.86
  6. Step 6: Final answer
    x = 213,772.36

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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.