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Finding the Fourth Proportional to 591,607.20, 886,390.20 and 275,415.60

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Solution

The fourth proportional to 591,607.20, 886,390.20 and 275,415.60 is: 412,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,607.20 : 886,390.20 = 275,415.60 : x
  2. Step 2: Convert to fraction form
    591,607.20/886,390.20 = 275,415.60/x
  3. Step 3: Cross multiply
    591,607.20x = 886,390.20 × 275,415.60
  4. Step 4: Simplify right side
    591,607.20x = 244,125,688,767.12
  5. Step 5: Solve for x
    x = 244,125,688,767.12/591,607.20
  6. Step 6: Final answer
    x = 412,648.27

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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.