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Finding the Fourth Proportional to 878,468.74, 1,317,693.96 and 452,124.01

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Solution

The fourth proportional to 878,468.74, 1,317,693.96 and 452,124.01 is: 678,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,468.74 : 1,317,693.96 = 452,124.01 : x
  2. Step 2: Convert to fraction form
    878,468.74/1,317,693.96 = 452,124.01/x
  3. Step 3: Cross multiply
    878,468.74x = 1,317,693.96 × 452,124.01
  4. Step 4: Simplify right side
    878,468.74x = 595,761,077,147.98
  5. Step 5: Solve for x
    x = 595,761,077,147.98/878,468.74
  6. Step 6: Final answer
    x = 678,181.31

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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.