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Finding the Fourth Proportional to 291,619.70, 437,429.55 and 94,627.70

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Solution

The fourth proportional to 291,619.70, 437,429.55 and 94,627.70 is: 141,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,619.70 : 437,429.55 = 94,627.70 : x
  2. Step 2: Convert to fraction form
    291,619.70/437,429.55 = 94,627.70/x
  3. Step 3: Cross multiply
    291,619.70x = 437,429.55 × 94,627.70
  4. Step 4: Simplify right side
    291,619.70x = 41,392,952,228.54
  5. Step 5: Solve for x
    x = 41,392,952,228.54/291,619.70
  6. Step 6: Final answer
    x = 141,941.55

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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.