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Finding the Fourth Proportional to 633,470.64, 874,203.56 and 361,533.12

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Solution

The fourth proportional to 633,470.64, 874,203.56 and 361,533.12 is: 498,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,470.64 : 874,203.56 = 361,533.12 : x
  2. Step 2: Convert to fraction form
    633,470.64/874,203.56 = 361,533.12/x
  3. Step 3: Cross multiply
    633,470.64x = 874,203.56 × 361,533.12
  4. Step 4: Simplify right side
    633,470.64x = 316,053,540,561.91
  5. Step 5: Solve for x
    x = 316,053,540,561.91/633,470.64
  6. Step 6: Final answer
    x = 498,923.74

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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.