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Finding the Fourth Proportional to 550,377.45, 825,566.18 and 503,876.36

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Solution

The fourth proportional to 550,377.45, 825,566.18 and 503,876.36 is: 755,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,377.45 : 825,566.18 = 503,876.36 : x
  2. Step 2: Convert to fraction form
    550,377.45/825,566.18 = 503,876.36/x
  3. Step 3: Cross multiply
    550,377.45x = 825,566.18 × 503,876.36
  4. Step 4: Simplify right side
    550,377.45x = 415,983,281,262.04
  5. Step 5: Solve for x
    x = 415,983,281,262.04/550,377.45
  6. Step 6: Final answer
    x = 755,814.54

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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.