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Finding the Fourth Proportional to 609,677.16, 914,368.68 and 254,498.64

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Solution

The fourth proportional to 609,677.16, 914,368.68 and 254,498.64 is: 381,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,677.16 : 914,368.68 = 254,498.64 : x
  2. Step 2: Convert to fraction form
    609,677.16/914,368.68 = 254,498.64/x
  3. Step 3: Cross multiply
    609,677.16x = 914,368.68 × 254,498.64
  4. Step 4: Simplify right side
    609,677.16x = 232,705,585,518.60
  5. Step 5: Solve for x
    x = 232,705,585,518.60/609,677.16
  6. Step 6: Final answer
    x = 381,686.57

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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.