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Finding the Fourth Proportional to 455,374.04, 682,900.61 and 151,685.87

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Solution

The fourth proportional to 455,374.04, 682,900.61 and 151,685.87 is: 227,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,374.04 : 682,900.61 = 151,685.87 : x
  2. Step 2: Convert to fraction form
    455,374.04/682,900.61 = 151,685.87/x
  3. Step 3: Cross multiply
    455,374.04x = 682,900.61 × 151,685.87
  4. Step 4: Simplify right side
    455,374.04x = 103,586,368,978.45
  5. Step 5: Solve for x
    x = 103,586,368,978.45/455,374.04
  6. Step 6: Final answer
    x = 227,475.35

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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.