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Finding the Fourth Proportional to 291,700.50, 437,550.75 and 94,708.50

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Solution

The fourth proportional to 291,700.50, 437,550.75 and 94,708.50 is: 142,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,700.50 : 437,550.75 = 94,708.50 : x
  2. Step 2: Convert to fraction form
    291,700.50/437,550.75 = 94,708.50/x
  3. Step 3: Cross multiply
    291,700.50x = 437,550.75 × 94,708.50
  4. Step 4: Simplify right side
    291,700.50x = 41,439,775,206.38
  5. Step 5: Solve for x
    x = 41,439,775,206.38/291,700.50
  6. Step 6: Final answer
    x = 142,062.75

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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.