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Finding the Fourth Proportional to 452,499.90, 678,317.85 and 168,114.30

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Solution

The fourth proportional to 452,499.90, 678,317.85 and 168,114.30 is: 252,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,499.90 : 678,317.85 = 168,114.30 : x
  2. Step 2: Convert to fraction form
    452,499.90/678,317.85 = 168,114.30/x
  3. Step 3: Cross multiply
    452,499.90x = 678,317.85 × 168,114.30
  4. Step 4: Simplify right side
    452,499.90x = 114,034,930,530.26
  5. Step 5: Solve for x
    x = 114,034,930,530.26/452,499.90
  6. Step 6: Final answer
    x = 252,010.95

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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.