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Finding the Fourth Proportional to 590,921.60, 886,540.80 and 236,184.80

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Solution

The fourth proportional to 590,921.60, 886,540.80 and 236,184.80 is: 354,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,921.60 : 886,540.80 = 236,184.80 : x
  2. Step 2: Convert to fraction form
    590,921.60/886,540.80 = 236,184.80/x
  3. Step 3: Cross multiply
    590,921.60x = 886,540.80 × 236,184.80
  4. Step 4: Simplify right side
    590,921.60x = 209,387,461,539.84
  5. Step 5: Solve for x
    x = 209,387,461,539.84/590,921.60
  6. Step 6: Final answer
    x = 354,340.51

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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.