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Finding the Fourth Proportional to 448,774.96, 619,266.36 and 247,558

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Solution

The fourth proportional to 448,774.96, 619,266.36 and 247,558 is: 341,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,774.96 : 619,266.36 = 247,558 : x
  2. Step 2: Convert to fraction form
    448,774.96/619,266.36 = 247,558/x
  3. Step 3: Cross multiply
    448,774.96x = 619,266.36 × 247,558
  4. Step 4: Simplify right side
    448,774.96x = 153,304,341,548.88
  5. Step 5: Solve for x
    x = 153,304,341,548.88/448,774.96
  6. Step 6: Final answer
    x = 341,606.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.