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Finding the Fourth Proportional to 577,730.63, 797,253.36 and 319,600.91

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Solution

The fourth proportional to 577,730.63, 797,253.36 and 319,600.91 is: 441,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,730.63 : 797,253.36 = 319,600.91 : x
  2. Step 2: Convert to fraction form
    577,730.63/797,253.36 = 319,600.91/x
  3. Step 3: Cross multiply
    577,730.63x = 797,253.36 × 319,600.91
  4. Step 4: Simplify right side
    577,730.63x = 254,802,899,356.56
  5. Step 5: Solve for x
    x = 254,802,899,356.56/577,730.63
  6. Step 6: Final answer
    x = 441,041.01

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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.