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Finding the Fourth Proportional to 291,703.50, 437,555.25 and 94,711.50

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Solution

The fourth proportional to 291,703.50, 437,555.25 and 94,711.50 is: 142,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,703.50 : 437,555.25 = 94,711.50 : x
  2. Step 2: Convert to fraction form
    291,703.50/437,555.25 = 94,711.50/x
  3. Step 3: Cross multiply
    291,703.50x = 437,555.25 × 94,711.50
  4. Step 4: Simplify right side
    291,703.50x = 41,441,514,060.38
  5. Step 5: Solve for x
    x = 41,441,514,060.38/291,703.50
  6. Step 6: Final answer
    x = 142,067.25

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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.