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Finding the Fourth Proportional to 536,885.83, 740,899.34 and 304,356.65

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Solution

The fourth proportional to 536,885.83, 740,899.34 and 304,356.65 is: 420,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,885.83 : 740,899.34 = 304,356.65 : x
  2. Step 2: Convert to fraction form
    536,885.83/740,899.34 = 304,356.65/x
  3. Step 3: Cross multiply
    536,885.83x = 740,899.34 × 304,356.65
  4. Step 4: Simplify right side
    536,885.83x = 225,497,642,418.94
  5. Step 5: Solve for x
    x = 225,497,642,418.94/536,885.83
  6. Step 6: Final answer
    x = 420,010.42

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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.