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Finding the Fourth Proportional to 266,019.21, 367,114.65 and 151,314.39

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Solution

The fourth proportional to 266,019.21, 367,114.65 and 151,314.39 is: 208,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,019.21 : 367,114.65 = 151,314.39 : x
  2. Step 2: Convert to fraction form
    266,019.21/367,114.65 = 151,314.39/x
  3. Step 3: Cross multiply
    266,019.21x = 367,114.65 × 151,314.39
  4. Step 4: Simplify right side
    266,019.21x = 55,549,729,324.81
  5. Step 5: Solve for x
    x = 55,549,729,324.81/266,019.21
  6. Step 6: Final answer
    x = 208,818.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.