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Finding the Fourth Proportional to 578,589.94, 798,445.20 and 323,950.24

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Solution

The fourth proportional to 578,589.94, 798,445.20 and 323,950.24 is: 447,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,589.94 : 798,445.20 = 323,950.24 : x
  2. Step 2: Convert to fraction form
    578,589.94/798,445.20 = 323,950.24/x
  3. Step 3: Cross multiply
    578,589.94x = 798,445.20 × 323,950.24
  4. Step 4: Simplify right side
    578,589.94x = 258,656,514,166.85
  5. Step 5: Solve for x
    x = 258,656,514,166.85/578,589.94
  6. Step 6: Final answer
    x = 447,046.34

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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.