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Finding the Fourth Proportional to 535,166.48, 738,523.08 and 308,807.12

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Solution

The fourth proportional to 535,166.48, 738,523.08 and 308,807.12 is: 426,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,166.48 : 738,523.08 = 308,807.12 : x
  2. Step 2: Convert to fraction form
    535,166.48/738,523.08 = 308,807.12/x
  3. Step 3: Cross multiply
    535,166.48x = 738,523.08 × 308,807.12
  4. Step 4: Simplify right side
    535,166.48x = 228,061,185,388.33
  5. Step 5: Solve for x
    x = 228,061,185,388.33/535,166.48
  6. Step 6: Final answer
    x = 426,149.98

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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.