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Finding the Fourth Proportional to 537,711.20, 806,566.80 and 529,416.80

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Solution

The fourth proportional to 537,711.20, 806,566.80 and 529,416.80 is: 794,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,711.20 : 806,566.80 = 529,416.80 : x
  2. Step 2: Convert to fraction form
    537,711.20/806,566.80 = 529,416.80/x
  3. Step 3: Cross multiply
    537,711.20x = 806,566.80 × 529,416.80
  4. Step 4: Simplify right side
    537,711.20x = 427,010,014,242.24
  5. Step 5: Solve for x
    x = 427,010,014,242.24/537,711.20
  6. Step 6: Final answer
    x = 794,125.20

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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.