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Finding the Fourth Proportional to 268,308.58, 370,267.60 and 147,459.82

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Solution

The fourth proportional to 268,308.58, 370,267.60 and 147,459.82 is: 203,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,308.58 : 370,267.60 = 147,459.82 : x
  2. Step 2: Convert to fraction form
    268,308.58/370,267.60 = 147,459.82/x
  3. Step 3: Cross multiply
    268,308.58x = 370,267.60 × 147,459.82
  4. Step 4: Simplify right side
    268,308.58x = 54,599,593,647.83
  5. Step 5: Solve for x
    x = 54,599,593,647.83/268,308.58
  6. Step 6: Final answer
    x = 203,495.52

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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.