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Finding the Fourth Proportional to 493,405.04, 740,177.40 and 151,876.64

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Solution

The fourth proportional to 493,405.04, 740,177.40 and 151,876.64 is: 227,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,405.04 : 740,177.40 = 151,876.64 : x
  2. Step 2: Convert to fraction form
    493,405.04/740,177.40 = 151,876.64/x
  3. Step 3: Cross multiply
    493,405.04x = 740,177.40 × 151,876.64
  4. Step 4: Simplify right side
    493,405.04x = 112,415,656,515.94
  5. Step 5: Solve for x
    x = 112,415,656,515.94/493,405.04
  6. Step 6: Final answer
    x = 227,836.46

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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.