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Finding the Fourth Proportional to 588,451.80, 809,515.08 and 515,526.24

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Solution

The fourth proportional to 588,451.80, 809,515.08 and 515,526.24 is: 709,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,451.80 : 809,515.08 = 515,526.24 : x
  2. Step 2: Convert to fraction form
    588,451.80/809,515.08 = 515,526.24/x
  3. Step 3: Cross multiply
    588,451.80x = 809,515.08 × 515,526.24
  4. Step 4: Simplify right side
    588,451.80x = 417,326,265,415.70
  5. Step 5: Solve for x
    x = 417,326,265,415.70/588,451.80
  6. Step 6: Final answer
    x = 709,193.63

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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.