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Finding the Fourth Proportional to 516,533.76, 775,046.40 and 250,007.04

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Solution

The fourth proportional to 516,533.76, 775,046.40 and 250,007.04 is: 375,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,533.76 : 775,046.40 = 250,007.04 : x
  2. Step 2: Convert to fraction form
    516,533.76/775,046.40 = 250,007.04/x
  3. Step 3: Cross multiply
    516,533.76x = 775,046.40 × 250,007.04
  4. Step 4: Simplify right side
    516,533.76x = 193,767,056,326.66
  5. Step 5: Solve for x
    x = 193,767,056,326.66/516,533.76
  6. Step 6: Final answer
    x = 375,129.51

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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.