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Finding the Fourth Proportional to 437,666.80, 656,500.20 and 297,698.80

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Solution

The fourth proportional to 437,666.80, 656,500.20 and 297,698.80 is: 446,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,666.80 : 656,500.20 = 297,698.80 : x
  2. Step 2: Convert to fraction form
    437,666.80/656,500.20 = 297,698.80/x
  3. Step 3: Cross multiply
    437,666.80x = 656,500.20 × 297,698.80
  4. Step 4: Simplify right side
    437,666.80x = 195,439,321,739.76
  5. Step 5: Solve for x
    x = 195,439,321,739.76/437,666.80
  6. Step 6: Final answer
    x = 446,548.20

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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.