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Finding the Fourth Proportional to 334,658.57, 501,978.28 and 94,771.91

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Solution

The fourth proportional to 334,658.57, 501,978.28 and 94,771.91 is: 142,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,658.57 : 501,978.28 = 94,771.91 : x
  2. Step 2: Convert to fraction form
    334,658.57/501,978.28 = 94,771.91/x
  3. Step 3: Cross multiply
    334,658.57x = 501,978.28 × 94,771.91
  4. Step 4: Simplify right side
    334,658.57x = 47,573,440,374.11
  5. Step 5: Solve for x
    x = 47,573,440,374.11/334,658.57
  6. Step 6: Final answer
    x = 142,155.15

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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.