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Finding the Fourth Proportional to 341,226.94, 511,915.29 and 104,587.42

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Solution

The fourth proportional to 341,226.94, 511,915.29 and 104,587.42 is: 156,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,226.94 : 511,915.29 = 104,587.42 : x
  2. Step 2: Convert to fraction form
    341,226.94/511,915.29 = 104,587.42/x
  3. Step 3: Cross multiply
    341,226.94x = 511,915.29 × 104,587.42
  4. Step 4: Simplify right side
    341,226.94x = 53,539,899,439.65
  5. Step 5: Solve for x
    x = 53,539,899,439.65/341,226.94
  6. Step 6: Final answer
    x = 156,904.08

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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.