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Finding the Fourth Proportional to 569,604.88, 785,994.56 and 314,914.96

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Solution

The fourth proportional to 569,604.88, 785,994.56 and 314,914.96 is: 434,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,604.88 : 785,994.56 = 314,914.96 : x
  2. Step 2: Convert to fraction form
    569,604.88/785,994.56 = 314,914.96/x
  3. Step 3: Cross multiply
    569,604.88x = 785,994.56 × 314,914.96
  4. Step 4: Simplify right side
    569,604.88x = 247,521,445,422.62
  5. Step 5: Solve for x
    x = 247,521,445,422.62/569,604.88
  6. Step 6: Final answer
    x = 434,549.38

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1.5x scale

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.