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Finding the Fourth Proportional to 556,744.30, 835,116.45 and 415,026.70

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Solution

The fourth proportional to 556,744.30, 835,116.45 and 415,026.70 is: 622,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,744.30 : 835,116.45 = 415,026.70 : x
  2. Step 2: Convert to fraction form
    556,744.30/835,116.45 = 415,026.70/x
  3. Step 3: Cross multiply
    556,744.30x = 835,116.45 × 415,026.70
  4. Step 4: Simplify right side
    556,744.30x = 346,595,624,359.22
  5. Step 5: Solve for x
    x = 346,595,624,359.22/556,744.30
  6. Step 6: Final answer
    x = 622,540.05

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Similar ratio
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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.