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Finding the Fourth Proportional to 2,723,492.90, 4,084,801.95 and 829,793.90

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Solution

The fourth proportional to 2,723,492.90, 4,084,801.95 and 829,793.90 is: 1,244,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,492.90 : 4,084,801.95 = 829,793.90 : x
  2. Step 2: Convert to fraction form
    2,723,492.90/4,084,801.95 = 829,793.90/x
  3. Step 3: Cross multiply
    2,723,492.90x = 4,084,801.95 × 829,793.90
  4. Step 4: Simplify right side
    2,723,492.90x = 3,389,543,740,818.11
  5. Step 5: Solve for x
    x = 3,389,543,740,818.11/2,723,492.90
  6. Step 6: Final answer
    x = 1,244,557.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.