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Finding the Fourth Proportional to 364,735.53, 546,841.31 and 172,503.25

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Solution

The fourth proportional to 364,735.53, 546,841.31 and 172,503.25 is: 258,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,735.53 : 546,841.31 = 172,503.25 : x
  2. Step 2: Convert to fraction form
    364,735.53/546,841.31 = 172,503.25/x
  3. Step 3: Cross multiply
    364,735.53x = 546,841.31 × 172,503.25
  4. Step 4: Simplify right side
    364,735.53x = 94,331,900,979.64
  5. Step 5: Solve for x
    x = 94,331,900,979.64/364,735.53
  6. Step 6: Final answer
    x = 258,630.96

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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.