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Finding the Fourth Proportional to 525,900.37, 789,550.59 and 355,693.85

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Solution

The fourth proportional to 525,900.37, 789,550.59 and 355,693.85 is: 534,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,900.37 : 789,550.59 = 355,693.85 : x
  2. Step 2: Convert to fraction form
    525,900.37/789,550.59 = 355,693.85/x
  3. Step 3: Cross multiply
    525,900.37x = 789,550.59 × 355,693.85
  4. Step 4: Simplify right side
    525,900.37x = 280,838,289,126.87
  5. Step 5: Solve for x
    x = 280,838,289,126.87/525,900.37
  6. Step 6: Final answer
    x = 534,014.25

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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.