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Finding the Fourth Proportional to 384,288.23, 526,472.43 and 369,917.52

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Solution

The fourth proportional to 384,288.23, 526,472.43 and 369,917.52 is: 506,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,288.23 : 526,472.43 = 369,917.52 : x
  2. Step 2: Convert to fraction form
    384,288.23/526,472.43 = 369,917.52/x
  3. Step 3: Cross multiply
    384,288.23x = 526,472.43 × 369,917.52
  4. Step 4: Simplify right side
    384,288.23x = 194,751,372,292.51
  5. Step 5: Solve for x
    x = 194,751,372,292.51/384,288.23
  6. Step 6: Final answer
    x = 506,784.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.