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Finding the Fourth Proportional to 455,532.40, 683,228.61 and 151,931.92

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Solution

The fourth proportional to 455,532.40, 683,228.61 and 151,931.92 is: 227,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,532.40 : 683,228.61 = 151,931.92 : x
  2. Step 2: Convert to fraction form
    455,532.40/683,228.61 = 151,931.92/x
  3. Step 3: Cross multiply
    455,532.40x = 683,228.61 × 151,931.92
  4. Step 4: Simplify right side
    455,532.40x = 103,804,234,516.23
  5. Step 5: Solve for x
    x = 103,804,234,516.23/455,532.40
  6. Step 6: Final answer
    x = 227,874.54

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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.