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Finding the Fourth Proportional to 291,888.40, 437,832.60 and 167,126.80

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Solution

The fourth proportional to 291,888.40, 437,832.60 and 167,126.80 is: 250,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,888.40 : 437,832.60 = 167,126.80 : x
  2. Step 2: Convert to fraction form
    291,888.40/437,832.60 = 167,126.80/x
  3. Step 3: Cross multiply
    291,888.40x = 437,832.60 × 167,126.80
  4. Step 4: Simplify right side
    291,888.40x = 73,173,561,373.68
  5. Step 5: Solve for x
    x = 73,173,561,373.68/291,888.40
  6. Step 6: Final answer
    x = 250,690.20

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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.