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Finding the Fourth Proportional to 622,652.20, 933,978.30 and 370,709.80

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Solution

The fourth proportional to 622,652.20, 933,978.30 and 370,709.80 is: 556,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,652.20 : 933,978.30 = 370,709.80 : x
  2. Step 2: Convert to fraction form
    622,652.20/933,978.30 = 370,709.80/x
  3. Step 3: Cross multiply
    622,652.20x = 933,978.30 × 370,709.80
  4. Step 4: Simplify right side
    622,652.20x = 346,234,908,797.34
  5. Step 5: Solve for x
    x = 346,234,908,797.34/622,652.20
  6. Step 6: Final answer
    x = 556,064.70

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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.