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Finding the Fourth Proportional to 565,513.40, 848,270.10 and 171,529.40

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Solution

The fourth proportional to 565,513.40, 848,270.10 and 171,529.40 is: 257,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,513.40 : 848,270.10 = 171,529.40 : x
  2. Step 2: Convert to fraction form
    565,513.40/848,270.10 = 171,529.40/x
  3. Step 3: Cross multiply
    565,513.40x = 848,270.10 × 171,529.40
  4. Step 4: Simplify right side
    565,513.40x = 145,503,261,290.94
  5. Step 5: Solve for x
    x = 145,503,261,290.94/565,513.40
  6. Step 6: Final answer
    x = 257,294.10

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Similar ratio
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1.5x scale

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.