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Finding the Fourth Proportional to 2,541,982.64, 3,812,970.74 and 648,724.12

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Solution

The fourth proportional to 2,541,982.64, 3,812,970.74 and 648,724.12 is: 973,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541,982.64 : 3,812,970.74 = 648,724.12 : x
  2. Step 2: Convert to fraction form
    2,541,982.64/3,812,970.74 = 648,724.12/x
  3. Step 3: Cross multiply
    2,541,982.64x = 3,812,970.74 × 648,724.12
  4. Step 4: Simplify right side
    2,541,982.64x = 2,473,566,087,892.25
  5. Step 5: Solve for x
    x = 2,473,566,087,892.25/2,541,982.64
  6. Step 6: Final answer
    x = 973,085.36

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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.