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Finding the Fourth Proportional to 577,117.50, 796,407.30 and 322,470.78

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Solution

The fourth proportional to 577,117.50, 796,407.30 and 322,470.78 is: 445,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,117.50 : 796,407.30 = 322,470.78 : x
  2. Step 2: Convert to fraction form
    577,117.50/796,407.30 = 322,470.78/x
  3. Step 3: Cross multiply
    577,117.50x = 796,407.30 × 322,470.78
  4. Step 4: Simplify right side
    577,117.50x = 256,818,083,228.69
  5. Step 5: Solve for x
    x = 256,818,083,228.69/577,117.50
  6. Step 6: Final answer
    x = 445,001.38

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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.