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Finding the Fourth Proportional to 469,635.20, 704,452.80 and 170,259.20

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Solution

The fourth proportional to 469,635.20, 704,452.80 and 170,259.20 is: 255,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,635.20 : 704,452.80 = 170,259.20 : x
  2. Step 2: Convert to fraction form
    469,635.20/704,452.80 = 170,259.20/x
  3. Step 3: Cross multiply
    469,635.20x = 704,452.80 × 170,259.20
  4. Step 4: Simplify right side
    469,635.20x = 119,939,570,165.76
  5. Step 5: Solve for x
    x = 119,939,570,165.76/469,635.20
  6. Step 6: Final answer
    x = 255,388.80

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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.