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Finding the Fourth Proportional to 365,961.46, 549,099.19 and 141,479.55

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Solution

The fourth proportional to 365,961.46, 549,099.19 and 141,479.55 is: 212,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,961.46 : 549,099.19 = 141,479.55 : x
  2. Step 2: Convert to fraction form
    365,961.46/549,099.19 = 141,479.55/x
  3. Step 3: Cross multiply
    365,961.46x = 549,099.19 × 141,479.55
  4. Step 4: Simplify right side
    365,961.46x = 77,686,305,952.87
  5. Step 5: Solve for x
    x = 77,686,305,952.87/365,961.46
  6. Step 6: Final answer
    x = 212,280.02

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1.5x scale

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.