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Finding the Fourth Proportional to 577,523.52, 796,959.72 and 319,383.72

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Solution

The fourth proportional to 577,523.52, 796,959.72 and 319,383.72 is: 440,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,523.52 : 796,959.72 = 319,383.72 : x
  2. Step 2: Convert to fraction form
    577,523.52/796,959.72 = 319,383.72/x
  3. Step 3: Cross multiply
    577,523.52x = 796,959.72 × 319,383.72
  4. Step 4: Simplify right side
    577,523.52x = 254,535,960,063.76
  5. Step 5: Solve for x
    x = 254,535,960,063.76/577,523.52
  6. Step 6: Final answer
    x = 440,736.96

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1.5x scale

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.