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Finding the Fourth Proportional to 577,368.41, 796,751.93 and 319,240.92

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Solution

The fourth proportional to 577,368.41, 796,751.93 and 319,240.92 is: 440,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368.41 : 796,751.93 = 319,240.92 : x
  2. Step 2: Convert to fraction form
    577,368.41/796,751.93 = 319,240.92/x
  3. Step 3: Cross multiply
    577,368.41x = 796,751.93 × 319,240.92
  4. Step 4: Simplify right side
    577,368.41x = 254,355,819,943.08
  5. Step 5: Solve for x
    x = 254,355,819,943.08/577,368.41
  6. Step 6: Final answer
    x = 440,543.36

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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.