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Finding the Fourth Proportional to 636,856.45, 955,004.20 and 337,267.01

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Solution

The fourth proportional to 636,856.45, 955,004.20 and 337,267.01 is: 505,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,856.45 : 955,004.20 = 337,267.01 : x
  2. Step 2: Convert to fraction form
    636,856.45/955,004.20 = 337,267.01/x
  3. Step 3: Cross multiply
    636,856.45x = 955,004.20 × 337,267.01
  4. Step 4: Simplify right side
    636,856.45x = 322,091,411,071.44
  5. Step 5: Solve for x
    x = 322,091,411,071.44/636,856.45
  6. Step 6: Final answer
    x = 505,751.98

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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.