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Finding the Fourth Proportional to 466,918.76, 699,255.80 and 266,632.76

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Solution

The fourth proportional to 466,918.76, 699,255.80 and 266,632.76 is: 399,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,918.76 : 699,255.80 = 266,632.76 : x
  2. Step 2: Convert to fraction form
    466,918.76/699,255.80 = 266,632.76/x
  3. Step 3: Cross multiply
    466,918.76x = 699,255.80 × 266,632.76
  4. Step 4: Simplify right side
    466,918.76x = 186,444,503,900.01
  5. Step 5: Solve for x
    x = 186,444,503,900.01/466,918.76
  6. Step 6: Final answer
    x = 399,308.23

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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.