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Finding the Fourth Proportional to 1,569,679, 2,354,540.64 and 447,748

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Solution

The fourth proportional to 1,569,679, 2,354,540.64 and 447,748 is: 671,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,679 : 2,354,540.64 = 447,748 : x
  2. Step 2: Convert to fraction form
    1,569,679/2,354,540.64 = 447,748/x
  3. Step 3: Cross multiply
    1,569,679x = 2,354,540.64 × 447,748
  4. Step 4: Simplify right side
    1,569,679x = 1,054,240,862,478.72
  5. Step 5: Solve for x
    x = 1,054,240,862,478.72/1,569,679
  6. Step 6: Final answer
    x = 671,628.32

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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.