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Finding the Fourth Proportional to 291,716.85, 437,575.23 and 70,100.85

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Solution

The fourth proportional to 291,716.85, 437,575.23 and 70,100.85 is: 105,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,716.85 : 437,575.23 = 70,100.85 : x
  2. Step 2: Convert to fraction form
    291,716.85/437,575.23 = 70,100.85/x
  3. Step 3: Cross multiply
    291,716.85x = 437,575.23 × 70,100.85
  4. Step 4: Simplify right side
    291,716.85x = 30,674,395,561.95
  5. Step 5: Solve for x
    x = 30,674,395,561.95/291,716.85
  6. Step 6: Final answer
    x = 105,151.26

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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.