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Finding the Fourth Proportional to 556,205.78, 834,310.03 and 156,848.65

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Solution

The fourth proportional to 556,205.78, 834,310.03 and 156,848.65 is: 235,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,205.78 : 834,310.03 = 156,848.65 : x
  2. Step 2: Convert to fraction form
    556,205.78/834,310.03 = 156,848.65/x
  3. Step 3: Cross multiply
    556,205.78x = 834,310.03 × 156,848.65
  4. Step 4: Simplify right side
    556,205.78x = 130,860,401,886.96
  5. Step 5: Solve for x
    x = 130,860,401,886.96/556,205.78
  6. Step 6: Final answer
    x = 235,273.36

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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.