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Finding the Fourth Proportional to 671,894.79, 927,216.09 and 365,970.22

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Solution

The fourth proportional to 671,894.79, 927,216.09 and 365,970.22 is: 505,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,894.79 : 927,216.09 = 365,970.22 : x
  2. Step 2: Convert to fraction form
    671,894.79/927,216.09 = 365,970.22/x
  3. Step 3: Cross multiply
    671,894.79x = 927,216.09 × 365,970.22
  4. Step 4: Simplify right side
    671,894.79x = 339,333,476,444.84
  5. Step 5: Solve for x
    x = 339,333,476,444.84/671,894.79
  6. Step 6: Final answer
    x = 505,039.60

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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.