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Finding the Fourth Proportional to 715,248, 1,071,239.04 and 341,533.44

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Solution

The fourth proportional to 715,248, 1,071,239.04 and 341,533.44 is: 511,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,248 : 1,071,239.04 = 341,533.44 : x
  2. Step 2: Convert to fraction form
    715,248/1,071,239.04 = 341,533.44/x
  3. Step 3: Cross multiply
    715,248x = 1,071,239.04 × 341,533.44
  4. Step 4: Simplify right side
    715,248x = 365,863,954,393.50
  5. Step 5: Solve for x
    x = 365,863,954,393.50/715,248
  6. Step 6: Final answer
    x = 511,520.42

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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.