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Finding the Fourth Proportional to 503,478.64, 754,996.38 and 266,766.76

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Solution

The fourth proportional to 503,478.64, 754,996.38 and 266,766.76 is: 400,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,478.64 : 754,996.38 = 266,766.76 : x
  2. Step 2: Convert to fraction form
    503,478.64/754,996.38 = 266,766.76/x
  3. Step 3: Cross multiply
    503,478.64x = 754,996.38 × 266,766.76
  4. Step 4: Simplify right side
    503,478.64x = 201,407,938,104.33
  5. Step 5: Solve for x
    x = 201,407,938,104.33/503,478.64
  6. Step 6: Final answer
    x = 400,032.74

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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.