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Finding the Fourth Proportional to 571,470.36, 857,599.23 and 256,279.92

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Solution

The fourth proportional to 571,470.36, 857,599.23 and 256,279.92 is: 384,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,470.36 : 857,599.23 = 256,279.92 : x
  2. Step 2: Convert to fraction form
    571,470.36/857,599.23 = 256,279.92/x
  3. Step 3: Cross multiply
    571,470.36x = 857,599.23 × 256,279.92
  4. Step 4: Simplify right side
    571,470.36x = 219,785,462,056.46
  5. Step 5: Solve for x
    x = 219,785,462,056.46/571,470.36
  6. Step 6: Final answer
    x = 384,596.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.