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Finding the Fourth Proportional to 577,366.64, 796,733.76 and 319,228.07

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Solution

The fourth proportional to 577,366.64, 796,733.76 and 319,228.07 is: 440,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,366.64 : 796,733.76 = 319,228.07 : x
  2. Step 2: Convert to fraction form
    577,366.64/796,733.76 = 319,228.07/x
  3. Step 3: Cross multiply
    577,366.64x = 796,733.76 × 319,228.07
  4. Step 4: Simplify right side
    577,366.64x = 254,339,776,524.97
  5. Step 5: Solve for x
    x = 254,339,776,524.97/577,366.64
  6. Step 6: Final answer
    x = 440,516.93

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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.