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Finding the Fourth Proportional to 699,670.74, 965,459.70 and 441,450.30

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Solution

The fourth proportional to 699,670.74, 965,459.70 and 441,450.30 is: 609,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,670.74 : 965,459.70 = 441,450.30 : x
  2. Step 2: Convert to fraction form
    699,670.74/965,459.70 = 441,450.30/x
  3. Step 3: Cross multiply
    699,670.74x = 965,459.70 × 441,450.30
  4. Step 4: Simplify right side
    699,670.74x = 426,202,474,202.91
  5. Step 5: Solve for x
    x = 426,202,474,202.91/699,670.74
  6. Step 6: Final answer
    x = 609,147.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.