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Finding the Fourth Proportional to 577,711.02, 797,226.24 and 319,581.24

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Solution

The fourth proportional to 577,711.02, 797,226.24 and 319,581.24 is: 441,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,711.02 : 797,226.24 = 319,581.24 : x
  2. Step 2: Convert to fraction form
    577,711.02/797,226.24 = 319,581.24/x
  3. Step 3: Cross multiply
    577,711.02x = 797,226.24 × 319,581.24
  4. Step 4: Simplify right side
    577,711.02x = 254,778,550,339.74
  5. Step 5: Solve for x
    x = 254,778,550,339.74/577,711.02
  6. Step 6: Final answer
    x = 441,013.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.