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Finding the Fourth Proportional to 291,697.92, 437,611.08 and 89,295.63

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Solution

The fourth proportional to 291,697.92, 437,611.08 and 89,295.63 is: 133,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,697.92 : 437,611.08 = 89,295.63 : x
  2. Step 2: Convert to fraction form
    291,697.92/437,611.08 = 89,295.63/x
  3. Step 3: Cross multiply
    291,697.92x = 437,611.08 × 89,295.63
  4. Step 4: Simplify right side
    291,697.92x = 39,076,757,083.58
  5. Step 5: Solve for x
    x = 39,076,757,083.58/291,697.92
  6. Step 6: Final answer
    x = 133,963.10

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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.