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Finding the Fourth Proportional to 469,915.89, 704,873.84 and 114,925.70

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Solution

The fourth proportional to 469,915.89, 704,873.84 and 114,925.70 is: 172,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,915.89 : 704,873.84 = 114,925.70 : x
  2. Step 2: Convert to fraction form
    469,915.89/704,873.84 = 114,925.70/x
  3. Step 3: Cross multiply
    469,915.89x = 704,873.84 × 114,925.70
  4. Step 4: Simplify right side
    469,915.89x = 81,008,115,374.69
  5. Step 5: Solve for x
    x = 81,008,115,374.69/469,915.89
  6. Step 6: Final answer
    x = 172,388.54

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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.