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Finding the Fourth Proportional to 591,247.60, 886,698.60 and 212,124.40

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Solution

The fourth proportional to 591,247.60, 886,698.60 and 212,124.40 is: 318,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,247.60 : 886,698.60 = 212,124.40 : x
  2. Step 2: Convert to fraction form
    591,247.60/886,698.60 = 212,124.40/x
  3. Step 3: Cross multiply
    591,247.60x = 886,698.60 × 212,124.40
  4. Step 4: Simplify right side
    591,247.60x = 188,090,408,505.84
  5. Step 5: Solve for x
    x = 188,090,408,505.84/591,247.60
  6. Step 6: Final answer
    x = 318,124.60

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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.