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Finding the Fourth Proportional to 583,582.82, 805,350.41 and 328,934

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Solution

The fourth proportional to 583,582.82, 805,350.41 and 328,934 is: 453,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,582.82 : 805,350.41 = 328,934 : x
  2. Step 2: Convert to fraction form
    583,582.82/805,350.41 = 328,934/x
  3. Step 3: Cross multiply
    583,582.82x = 805,350.41 × 328,934
  4. Step 4: Simplify right side
    583,582.82x = 264,907,131,762.94
  5. Step 5: Solve for x
    x = 264,907,131,762.94/583,582.82
  6. Step 6: Final answer
    x = 453,932.37

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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.