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Finding the Fourth Proportional to 547,596.09, 819,395.87 and 323,064.09

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Solution

The fourth proportional to 547,596.09, 819,395.87 and 323,064.09 is: 483,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,596.09 : 819,395.87 = 323,064.09 : x
  2. Step 2: Convert to fraction form
    547,596.09/819,395.87 = 323,064.09/x
  3. Step 3: Cross multiply
    547,596.09x = 819,395.87 × 323,064.09
  4. Step 4: Simplify right side
    547,596.09x = 264,717,379,475.99
  5. Step 5: Solve for x
    x = 264,717,379,475.99/547,596.09
  6. Step 6: Final answer
    x = 483,417.22

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1.5x scale

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.