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Finding the Fourth Proportional to 532,367.85, 734,663.88 and 290,650.41

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Solution

The fourth proportional to 532,367.85, 734,663.88 and 290,650.41 is: 401,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,367.85 : 734,663.88 = 290,650.41 : x
  2. Step 2: Convert to fraction form
    532,367.85/734,663.88 = 290,650.41/x
  3. Step 3: Cross multiply
    532,367.85x = 734,663.88 × 290,650.41
  4. Step 4: Simplify right side
    532,367.85x = 213,530,357,934.19
  5. Step 5: Solve for x
    x = 213,530,357,934.19/532,367.85
  6. Step 6: Final answer
    x = 401,095.52

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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.