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Finding the Fourth Proportional to 1,812,312, 2,718,476.64 and 482,616

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Solution

The fourth proportional to 1,812,312, 2,718,476.64 and 482,616 is: 723,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,312 : 2,718,476.64 = 482,616 : x
  2. Step 2: Convert to fraction form
    1,812,312/2,718,476.64 = 482,616/x
  3. Step 3: Cross multiply
    1,812,312x = 2,718,476.64 × 482,616
  4. Step 4: Simplify right side
    1,812,312x = 1,311,980,322,090.24
  5. Step 5: Solve for x
    x = 1,311,980,322,090.24/1,812,312
  6. Step 6: Final answer
    x = 723,926.30

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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.