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Finding the Fourth Proportional to 512,147.51, 707,029.00 and 374,171.50

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Solution

The fourth proportional to 512,147.51, 707,029.00 and 374,171.50 is: 516,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,147.51 : 707,029.00 = 374,171.50 : x
  2. Step 2: Convert to fraction form
    512,147.51/707,029.00 = 374,171.50/x
  3. Step 3: Cross multiply
    512,147.51x = 707,029.00 × 374,171.50
  4. Step 4: Simplify right side
    512,147.51x = 264,550,103,526.57
  5. Step 5: Solve for x
    x = 264,550,103,526.57/512,147.51
  6. Step 6: Final answer
    x = 516,550.60

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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.