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Finding the Fourth Proportional to 578,783.70, 868,175.90 and 241,640.57

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Solution

The fourth proportional to 578,783.70, 868,175.90 and 241,640.57 is: 362,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,783.70 : 868,175.90 = 241,640.57 : x
  2. Step 2: Convert to fraction form
    578,783.70/868,175.90 = 241,640.57/x
  3. Step 3: Cross multiply
    578,783.70x = 868,175.90 × 241,640.57
  4. Step 4: Simplify right side
    578,783.70x = 209,786,515,641.55
  5. Step 5: Solve for x
    x = 209,786,515,641.55/578,783.70
  6. Step 6: Final answer
    x = 362,460.99

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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.