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Finding the Fourth Proportional to 493,570.13, 740,355.29 and 178,027.00

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Solution

The fourth proportional to 493,570.13, 740,355.29 and 178,027.00 is: 267,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,570.13 : 740,355.29 = 178,027.00 : x
  2. Step 2: Convert to fraction form
    493,570.13/740,355.29 = 178,027.00/x
  3. Step 3: Cross multiply
    493,570.13x = 740,355.29 × 178,027.00
  4. Step 4: Simplify right side
    493,570.13x = 131,803,229,139.41
  5. Step 5: Solve for x
    x = 131,803,229,139.41/493,570.13
  6. Step 6: Final answer
    x = 267,040.53

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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.