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Finding the Fourth Proportional to 574,997.68, 793,478.19 and 330,022.76

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Solution

The fourth proportional to 574,997.68, 793,478.19 and 330,022.76 is: 455,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,997.68 : 793,478.19 = 330,022.76 : x
  2. Step 2: Convert to fraction form
    574,997.68/793,478.19 = 330,022.76/x
  3. Step 3: Cross multiply
    574,997.68x = 793,478.19 × 330,022.76
  4. Step 4: Simplify right side
    574,997.68x = 261,865,862,263.60
  5. Step 5: Solve for x
    x = 261,865,862,263.60/574,997.68
  6. Step 6: Final answer
    x = 455,420.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.