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Finding the Fourth Proportional to 873,713.86, 1,310,660.22 and 334,423.24

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Solution

The fourth proportional to 873,713.86, 1,310,660.22 and 334,423.24 is: 501,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,713.86 : 1,310,660.22 = 334,423.24 : x
  2. Step 2: Convert to fraction form
    873,713.86/1,310,660.22 = 334,423.24/x
  3. Step 3: Cross multiply
    873,713.86x = 1,310,660.22 × 334,423.24
  4. Step 4: Simplify right side
    873,713.86x = 438,315,237,311.51
  5. Step 5: Solve for x
    x = 438,315,237,311.51/873,713.86
  6. Step 6: Final answer
    x = 501,669.09

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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.