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Finding the Fourth Proportional to 477,554.21, 716,331.32 and 196,762.85

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Solution

The fourth proportional to 477,554.21, 716,331.32 and 196,762.85 is: 295,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,554.21 : 716,331.32 = 196,762.85 : x
  2. Step 2: Convert to fraction form
    477,554.21/716,331.32 = 196,762.85/x
  3. Step 3: Cross multiply
    477,554.21x = 716,331.32 × 196,762.85
  4. Step 4: Simplify right side
    477,554.21x = 140,947,387,501.99
  5. Step 5: Solve for x
    x = 140,947,387,501.99/477,554.21
  6. Step 6: Final answer
    x = 295,144.27

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Similar ratio
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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.