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Finding the Fourth Proportional to 896,978.03, 1,346,016.39 and 357,493.11

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Solution

The fourth proportional to 896,978.03, 1,346,016.39 and 357,493.11 is: 536,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,978.03 : 1,346,016.39 = 357,493.11 : x
  2. Step 2: Convert to fraction form
    896,978.03/1,346,016.39 = 357,493.11/x
  3. Step 3: Cross multiply
    896,978.03x = 1,346,016.39 × 357,493.11
  4. Step 4: Simplify right side
    896,978.03x = 481,191,585,372.07
  5. Step 5: Solve for x
    x = 481,191,585,372.07/896,978.03
  6. Step 6: Final answer
    x = 536,458.61

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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.