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Finding the Fourth Proportional to 347,025.20, 521,704.20 and 295,703.60

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Solution

The fourth proportional to 347,025.20, 521,704.20 and 295,703.60 is: 444,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,025.20 : 521,704.20 = 295,703.60 : x
  2. Step 2: Convert to fraction form
    347,025.20/521,704.20 = 295,703.60/x
  3. Step 3: Cross multiply
    347,025.20x = 521,704.20 × 295,703.60
  4. Step 4: Simplify right side
    347,025.20x = 154,269,810,075.12
  5. Step 5: Solve for x
    x = 154,269,810,075.12/347,025.20
  6. Step 6: Final answer
    x = 444,549.30

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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.