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Finding the Fourth Proportional to 577,496.66, 796,950.70 and 319,360.27

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Solution

The fourth proportional to 577,496.66, 796,950.70 and 319,360.27 is: 440,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,496.66 : 796,950.70 = 319,360.27 : x
  2. Step 2: Convert to fraction form
    577,496.66/796,950.70 = 319,360.27/x
  3. Step 3: Cross multiply
    577,496.66x = 796,950.70 × 319,360.27
  4. Step 4: Simplify right side
    577,496.66x = 254,514,390,728.69
  5. Step 5: Solve for x
    x = 254,514,390,728.69/577,496.66
  6. Step 6: Final answer
    x = 440,720.11

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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.