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Finding the Fourth Proportional to 366,663.68, 549,974 and 100,404.60

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Solution

The fourth proportional to 366,663.68, 549,974 and 100,404.60 is: 150,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,663.68 : 549,974 = 100,404.60 : x
  2. Step 2: Convert to fraction form
    366,663.68/549,974 = 100,404.60/x
  3. Step 3: Cross multiply
    366,663.68x = 549,974 × 100,404.60
  4. Step 4: Simplify right side
    366,663.68x = 55,219,919,480.40
  5. Step 5: Solve for x
    x = 55,219,919,480.40/366,663.68
  6. Step 6: Final answer
    x = 150,601.01

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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.