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Finding the Fourth Proportional to 370,226.83, 510,963.72 and 213,059.47

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Solution

The fourth proportional to 370,226.83, 510,963.72 and 213,059.47 is: 294,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,226.83 : 510,963.72 = 213,059.47 : x
  2. Step 2: Convert to fraction form
    370,226.83/510,963.72 = 213,059.47/x
  3. Step 3: Cross multiply
    370,226.83x = 510,963.72 × 213,059.47
  4. Step 4: Simplify right side
    370,226.83x = 108,865,659,372.43
  5. Step 5: Solve for x
    x = 108,865,659,372.43/370,226.83
  6. Step 6: Final answer
    x = 294,051.24

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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.