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Finding the Fourth Proportional to 339,909.70, 510,010.35 and 173,697.70

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Solution

The fourth proportional to 339,909.70, 510,010.35 and 173,697.70 is: 260,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,909.70 : 510,010.35 = 173,697.70 : x
  2. Step 2: Convert to fraction form
    339,909.70/510,010.35 = 173,697.70/x
  3. Step 3: Cross multiply
    339,909.70x = 510,010.35 × 173,697.70
  4. Step 4: Simplify right side
    339,909.70x = 88,587,624,771.20
  5. Step 5: Solve for x
    x = 88,587,624,771.20/339,909.70
  6. Step 6: Final answer
    x = 260,621.06

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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.