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Finding the Fourth Proportional to 577,370.53, 796,754.78 and 319,242.97

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Solution

The fourth proportional to 577,370.53, 796,754.78 and 319,242.97 is: 440,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,370.53 : 796,754.78 = 319,242.97 : x
  2. Step 2: Convert to fraction form
    577,370.53/796,754.78 = 319,242.97/x
  3. Step 3: Cross multiply
    577,370.53x = 796,754.78 × 319,242.97
  4. Step 4: Simplify right side
    577,370.53x = 254,358,362,925.79
  5. Step 5: Solve for x
    x = 254,358,362,925.79/577,370.53
  6. Step 6: Final answer
    x = 440,546.15

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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.