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Finding the Fourth Proportional to 373,266.40, 559,899.60 and 123,948.40

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Solution

The fourth proportional to 373,266.40, 559,899.60 and 123,948.40 is: 185,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,266.40 : 559,899.60 = 123,948.40 : x
  2. Step 2: Convert to fraction form
    373,266.40/559,899.60 = 123,948.40/x
  3. Step 3: Cross multiply
    373,266.40x = 559,899.60 × 123,948.40
  4. Step 4: Simplify right side
    373,266.40x = 69,398,659,580.64
  5. Step 5: Solve for x
    x = 69,398,659,580.64/373,266.40
  6. Step 6: Final answer
    x = 185,922.60

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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.