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Finding the Fourth Proportional to 671,657.64, 1,008,025.92 and 334,684.68

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Solution

The fourth proportional to 671,657.64, 1,008,025.92 and 334,684.68 is: 502,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,657.64 : 1,008,025.92 = 334,684.68 : x
  2. Step 2: Convert to fraction form
    671,657.64/1,008,025.92 = 334,684.68/x
  3. Step 3: Cross multiply
    671,657.64x = 1,008,025.92 × 334,684.68
  4. Step 4: Simplify right side
    671,657.64x = 337,370,832,466.91
  5. Step 5: Solve for x
    x = 337,370,832,466.91/671,657.64
  6. Step 6: Final answer
    x = 502,295.83

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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.