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Finding the Fourth Proportional to 301,843,624.40, 451,720,342.20 and 180,761,973.20

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Solution

The fourth proportional to 301,843,624.40, 451,720,342.20 and 180,761,973.20 is: 270,517,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,843,624.40 : 451,720,342.20 = 180,761,973.20 : x
  2. Step 2: Convert to fraction form
    301,843,624.40/451,720,342.20 = 180,761,973.20/x
  3. Step 3: Cross multiply
    301,843,624.40x = 451,720,342.20 × 180,761,973.20
  4. Step 4: Simplify right side
    301,843,624.40x = 81,653,860,390,651,216
  5. Step 5: Solve for x
    x = 81,653,860,390,651,216/301,843,624.40
  6. Step 6: Final answer
    x = 270,517,094.91

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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.