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Finding the Fourth Proportional to 570,734.49, 851,065.17 and 565,609.47

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Solution

The fourth proportional to 570,734.49, 851,065.17 and 565,609.47 is: 843,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,734.49 : 851,065.17 = 565,609.47 : x
  2. Step 2: Convert to fraction form
    570,734.49/851,065.17 = 565,609.47/x
  3. Step 3: Cross multiply
    570,734.49x = 851,065.17 × 565,609.47
  4. Step 4: Simplify right side
    570,734.49x = 481,370,519,739.16
  5. Step 5: Solve for x
    x = 481,370,519,739.16/570,734.49
  6. Step 6: Final answer
    x = 843,422.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.