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Finding the Fourth Proportional to 577,049.40, 795,810.42 and 480,571.92

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Solution

The fourth proportional to 577,049.40, 795,810.42 and 480,571.92 is: 662,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,049.40 : 795,810.42 = 480,571.92 : x
  2. Step 2: Convert to fraction form
    577,049.40/795,810.42 = 480,571.92/x
  3. Step 3: Cross multiply
    577,049.40x = 795,810.42 × 480,571.92
  4. Step 4: Simplify right side
    577,049.40x = 382,444,141,495.41
  5. Step 5: Solve for x
    x = 382,444,141,495.41/577,049.40
  6. Step 6: Final answer
    x = 662,758.06

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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.