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Finding the Fourth Proportional to 577,760.46, 797,509.84 and 397,070.52

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Solution

The fourth proportional to 577,760.46, 797,509.84 and 397,070.52 is: 548,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,760.46 : 797,509.84 = 397,070.52 : x
  2. Step 2: Convert to fraction form
    577,760.46/797,509.84 = 397,070.52/x
  3. Step 3: Cross multiply
    577,760.46x = 797,509.84 × 397,070.52
  4. Step 4: Simplify right side
    577,760.46x = 316,667,646,873.92
  5. Step 5: Solve for x
    x = 316,667,646,873.92/577,760.46
  6. Step 6: Final answer
    x = 548,095.05

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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.