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Finding the Fourth Proportional to 266,895.72, 400,501.44 and 98,533.44

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Solution

The fourth proportional to 266,895.72, 400,501.44 and 98,533.44 is: 147,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,895.72 : 400,501.44 = 98,533.44 : x
  2. Step 2: Convert to fraction form
    266,895.72/400,501.44 = 98,533.44/x
  3. Step 3: Cross multiply
    266,895.72x = 400,501.44 × 98,533.44
  4. Step 4: Simplify right side
    266,895.72x = 39,462,784,608.15
  5. Step 5: Solve for x
    x = 39,462,784,608.15/266,895.72
  6. Step 6: Final answer
    x = 147,858.44

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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.