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Finding the Fourth Proportional to 245,848.30, 368,772.45 and 235,480.30

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Solution

The fourth proportional to 245,848.30, 368,772.45 and 235,480.30 is: 353,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,848.30 : 368,772.45 = 235,480.30 : x
  2. Step 2: Convert to fraction form
    245,848.30/368,772.45 = 235,480.30/x
  3. Step 3: Cross multiply
    245,848.30x = 368,772.45 × 235,480.30
  4. Step 4: Simplify right side
    245,848.30x = 86,838,647,157.74
  5. Step 5: Solve for x
    x = 86,838,647,157.74/245,848.30
  6. Step 6: Final answer
    x = 353,220.45

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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.