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Finding the Fourth Proportional to 291,927.76, 437,889.01 and 92,248.18

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Solution

The fourth proportional to 291,927.76, 437,889.01 and 92,248.18 is: 138,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,927.76 : 437,889.01 = 92,248.18 : x
  2. Step 2: Convert to fraction form
    291,927.76/437,889.01 = 92,248.18/x
  3. Step 3: Cross multiply
    291,927.76x = 437,889.01 × 92,248.18
  4. Step 4: Simplify right side
    291,927.76x = 40,394,464,214.50
  5. Step 5: Solve for x
    x = 40,394,464,214.50/291,927.76
  6. Step 6: Final answer
    x = 138,371.44

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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.