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Finding the Fourth Proportional to 570,784.76, 787,675.02 and 329,067.80

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Solution

The fourth proportional to 570,784.76, 787,675.02 and 329,067.80 is: 454,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,784.76 : 787,675.02 = 329,067.80 : x
  2. Step 2: Convert to fraction form
    570,784.76/787,675.02 = 329,067.80/x
  3. Step 3: Cross multiply
    570,784.76x = 787,675.02 × 329,067.80
  4. Step 4: Simplify right side
    570,784.76x = 259,198,485,946.36
  5. Step 5: Solve for x
    x = 259,198,485,946.36/570,784.76
  6. Step 6: Final answer
    x = 454,108.98

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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.