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Finding the Fourth Proportional to 366,644.70, 549,967.05 and 100,404.79

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Solution

The fourth proportional to 366,644.70, 549,967.05 and 100,404.79 is: 150,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,644.70 : 549,967.05 = 100,404.79 : x
  2. Step 2: Convert to fraction form
    366,644.70/549,967.05 = 100,404.79/x
  3. Step 3: Cross multiply
    366,644.70x = 549,967.05 × 100,404.79
  4. Step 4: Simplify right side
    366,644.70x = 55,219,324,787.25
  5. Step 5: Solve for x
    x = 55,219,324,787.25/366,644.70
  6. Step 6: Final answer
    x = 150,607.18

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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.