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Finding the Fourth Proportional to 586,089.09, 808,836.83 and 327,963.78

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Solution

The fourth proportional to 586,089.09, 808,836.83 and 327,963.78 is: 452,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,089.09 : 808,836.83 = 327,963.78 : x
  2. Step 2: Convert to fraction form
    586,089.09/808,836.83 = 327,963.78/x
  3. Step 3: Cross multiply
    586,089.09x = 808,836.83 × 327,963.78
  4. Step 4: Simplify right side
    586,089.09x = 265,269,182,967.84
  5. Step 5: Solve for x
    x = 265,269,182,967.84/586,089.09
  6. Step 6: Final answer
    x = 452,608.98

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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.