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Finding the Fourth Proportional to 576,118.85, 795,418.51 and 515,585.42

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Solution

The fourth proportional to 576,118.85, 795,418.51 and 515,585.42 is: 711,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,118.85 : 795,418.51 = 515,585.42 : x
  2. Step 2: Convert to fraction form
    576,118.85/795,418.51 = 515,585.42/x
  3. Step 3: Cross multiply
    576,118.85x = 795,418.51 × 515,585.42
  4. Step 4: Simplify right side
    576,118.85x = 410,106,185,465.34
  5. Step 5: Solve for x
    x = 410,106,185,465.34/576,118.85
  6. Step 6: Final answer
    x = 711,843.03

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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.