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Finding the Fourth Proportional to 1,848,540, 2,772,810 and 666,588

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Solution

The fourth proportional to 1,848,540, 2,772,810 and 666,588 is: 999,882

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,540 : 2,772,810 = 666,588 : x
  2. Step 2: Convert to fraction form
    1,848,540/2,772,810 = 666,588/x
  3. Step 3: Cross multiply
    1,848,540x = 2,772,810 × 666,588
  4. Step 4: Simplify right side
    1,848,540x = 1,848,321,872,280
  5. Step 5: Solve for x
    x = 1,848,321,872,280/1,848,540
  6. Step 6: Final answer
    x = 999,882

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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.