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Finding the Fourth Proportional to 591,133.60, 886,815.60 and 236,087.20

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Solution

The fourth proportional to 591,133.60, 886,815.60 and 236,087.20 is: 354,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,133.60 : 886,815.60 = 236,087.20 : x
  2. Step 2: Convert to fraction form
    591,133.60/886,815.60 = 236,087.20/x
  3. Step 3: Cross multiply
    591,133.60x = 886,815.60 × 236,087.20
  4. Step 4: Simplify right side
    591,133.60x = 209,365,811,920.32
  5. Step 5: Solve for x
    x = 209,365,811,920.32/591,133.60
  6. Step 6: Final answer
    x = 354,176.81

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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.