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Finding the Fourth Proportional to 493,931.24, 740,896.86 and 119,951.72

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Solution

The fourth proportional to 493,931.24, 740,896.86 and 119,951.72 is: 179,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,931.24 : 740,896.86 = 119,951.72 : x
  2. Step 2: Convert to fraction form
    493,931.24/740,896.86 = 119,951.72/x
  3. Step 3: Cross multiply
    493,931.24x = 740,896.86 × 119,951.72
  4. Step 4: Simplify right side
    493,931.24x = 88,871,852,699.60
  5. Step 5: Solve for x
    x = 88,871,852,699.60/493,931.24
  6. Step 6: Final answer
    x = 179,927.58

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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.