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Finding the Fourth Proportional to 629,070.13, 863,234.05 and 572,046.13

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Solution

The fourth proportional to 629,070.13, 863,234.05 and 572,046.13 is: 784,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,070.13 : 863,234.05 = 572,046.13 : x
  2. Step 2: Convert to fraction form
    629,070.13/863,234.05 = 572,046.13/x
  3. Step 3: Cross multiply
    629,070.13x = 863,234.05 × 572,046.13
  4. Step 4: Simplify right side
    629,070.13x = 493,809,697,586.73
  5. Step 5: Solve for x
    x = 493,809,697,586.73/629,070.13
  6. Step 6: Final answer
    x = 784,983.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.