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Finding the Fourth Proportional to 550,259.70, 825,389.55 and 370,898.37

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Solution

The fourth proportional to 550,259.70, 825,389.55 and 370,898.37 is: 556,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,259.70 : 825,389.55 = 370,898.37 : x
  2. Step 2: Convert to fraction form
    550,259.70/825,389.55 = 370,898.37/x
  3. Step 3: Cross multiply
    550,259.70x = 825,389.55 × 370,898.37
  4. Step 4: Simplify right side
    550,259.70x = 306,135,634,583.09
  5. Step 5: Solve for x
    x = 306,135,634,583.09/550,259.70
  6. Step 6: Final answer
    x = 556,347.55

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Similar ratio
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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.