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Finding the Fourth Proportional to 580,899.95, 801,554.96 and 326,201.93

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Solution

The fourth proportional to 580,899.95, 801,554.96 and 326,201.93 is: 450,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,899.95 : 801,554.96 = 326,201.93 : x
  2. Step 2: Convert to fraction form
    580,899.95/801,554.96 = 326,201.93/x
  3. Step 3: Cross multiply
    580,899.95x = 801,554.96 × 326,201.93
  4. Step 4: Simplify right side
    580,899.95x = 261,468,771,760.80
  5. Step 5: Solve for x
    x = 261,468,771,760.80/580,899.95
  6. Step 6: Final answer
    x = 450,109.82

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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.