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Finding the Fourth Proportional to 503,539.55, 755,301.90 and 124,460.31

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Solution

The fourth proportional to 503,539.55, 755,301.90 and 124,460.31 is: 186,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,539.55 : 755,301.90 = 124,460.31 : x
  2. Step 2: Convert to fraction form
    503,539.55/755,301.90 = 124,460.31/x
  3. Step 3: Cross multiply
    503,539.55x = 755,301.90 × 124,460.31
  4. Step 4: Simplify right side
    503,539.55x = 94,005,108,555.25
  5. Step 5: Solve for x
    x = 94,005,108,555.25/503,539.55
  6. Step 6: Final answer
    x = 186,688.63

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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.