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Finding the Fourth Proportional to 266,296.01, 399,618.63 and 97,817.76

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Solution

The fourth proportional to 266,296.01, 399,618.63 and 97,817.76 is: 146,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,296.01 : 399,618.63 = 97,817.76 : x
  2. Step 2: Convert to fraction form
    266,296.01/399,618.63 = 97,817.76/x
  3. Step 3: Cross multiply
    266,296.01x = 399,618.63 × 97,817.76
  4. Step 4: Simplify right side
    266,296.01x = 39,089,799,240.87
  5. Step 5: Solve for x
    x = 39,089,799,240.87/266,296.01
  6. Step 6: Final answer
    x = 146,790.78

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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.