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Finding the Fourth Proportional to 532,550.32, 734,915.70 and 290,832.95

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Solution

The fourth proportional to 532,550.32, 734,915.70 and 290,832.95 is: 401,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,550.32 : 734,915.70 = 290,832.95 : x
  2. Step 2: Convert to fraction form
    532,550.32/734,915.70 = 290,832.95/x
  3. Step 3: Cross multiply
    532,550.32x = 734,915.70 × 290,832.95
  4. Step 4: Simplify right side
    532,550.32x = 213,737,702,869.60
  5. Step 5: Solve for x
    x = 213,737,702,869.60/532,550.32
  6. Step 6: Final answer
    x = 401,347.43

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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.