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Finding the Fourth Proportional to 452,886.22, 679,328.90 and 115,926.34

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Solution

The fourth proportional to 452,886.22, 679,328.90 and 115,926.34 is: 173,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,886.22 : 679,328.90 = 115,926.34 : x
  2. Step 2: Convert to fraction form
    452,886.22/679,328.90 = 115,926.34/x
  3. Step 3: Cross multiply
    452,886.22x = 679,328.90 × 115,926.34
  4. Step 4: Simplify right side
    452,886.22x = 78,752,113,033.23
  5. Step 5: Solve for x
    x = 78,752,113,033.23/452,886.22
  6. Step 6: Final answer
    x = 173,889.40

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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.