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Finding the Fourth Proportional to 695,466.01, 959,766.83 and 389,555.47

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Solution

The fourth proportional to 695,466.01, 959,766.83 and 389,555.47 is: 537,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,466.01 : 959,766.83 = 389,555.47 : x
  2. Step 2: Convert to fraction form
    695,466.01/959,766.83 = 389,555.47/x
  3. Step 3: Cross multiply
    695,466.01x = 959,766.83 × 389,555.47
  4. Step 4: Simplify right side
    695,466.01x = 373,882,418,551.06
  5. Step 5: Solve for x
    x = 373,882,418,551.06/695,466.01
  6. Step 6: Final answer
    x = 537,599.84

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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.