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Finding the Fourth Proportional to 569,583.87, 785,994.35 and 314,918.25

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Solution

The fourth proportional to 569,583.87, 785,994.35 and 314,918.25 is: 434,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,583.87 : 785,994.35 = 314,918.25 : x
  2. Step 2: Convert to fraction form
    569,583.87/785,994.35 = 314,918.25/x
  3. Step 3: Cross multiply
    569,583.87x = 785,994.35 × 314,918.25
  4. Step 4: Simplify right side
    569,583.87x = 247,523,963,637.30
  5. Step 5: Solve for x
    x = 247,523,963,637.30/569,583.87
  6. Step 6: Final answer
    x = 434,569.83

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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.