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Finding the Fourth Proportional to 622,606.20, 933,909.30 and 370,663.80

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Solution

The fourth proportional to 622,606.20, 933,909.30 and 370,663.80 is: 555,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,606.20 : 933,909.30 = 370,663.80 : x
  2. Step 2: Convert to fraction form
    622,606.20/933,909.30 = 370,663.80/x
  3. Step 3: Cross multiply
    622,606.20x = 933,909.30 × 370,663.80
  4. Step 4: Simplify right side
    622,606.20x = 346,166,369,993.34
  5. Step 5: Solve for x
    x = 346,166,369,993.34/622,606.20
  6. Step 6: Final answer
    x = 555,995.70

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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.