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Finding the Fourth Proportional to 448,706, 619,258.02 and 247,502

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Solution

The fourth proportional to 448,706, 619,258.02 and 247,502 is: 341,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,706 : 619,258.02 = 247,502 : x
  2. Step 2: Convert to fraction form
    448,706/619,258.02 = 247,502/x
  3. Step 3: Cross multiply
    448,706x = 619,258.02 × 247,502
  4. Step 4: Simplify right side
    448,706x = 153,267,598,466.04
  5. Step 5: Solve for x
    x = 153,267,598,466.04/448,706
  6. Step 6: Final answer
    x = 341,576.89

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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.