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Finding the Fourth Proportional to 350,646, 526,038.12 and 113,994.48

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Solution

The fourth proportional to 350,646, 526,038.12 and 113,994.48 is: 171,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,646 : 526,038.12 = 113,994.48 : x
  2. Step 2: Convert to fraction form
    350,646/526,038.12 = 113,994.48/x
  3. Step 3: Cross multiply
    350,646x = 526,038.12 × 113,994.48
  4. Step 4: Simplify right side
    350,646x = 59,965,441,949.58
  5. Step 5: Solve for x
    x = 59,965,441,949.58/350,646
  6. Step 6: Final answer
    x = 171,014.19

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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.