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Finding the Fourth Proportional to 591,091.60, 886,637.40 and 341,645.20

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Solution

The fourth proportional to 591,091.60, 886,637.40 and 341,645.20 is: 512,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,091.60 : 886,637.40 = 341,645.20 : x
  2. Step 2: Convert to fraction form
    591,091.60/886,637.40 = 341,645.20/x
  3. Step 3: Cross multiply
    591,091.60x = 886,637.40 × 341,645.20
  4. Step 4: Simplify right side
    591,091.60x = 302,915,411,850.48
  5. Step 5: Solve for x
    x = 302,915,411,850.48/591,091.60
  6. Step 6: Final answer
    x = 512,467.80

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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.