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Finding the Fourth Proportional to 1,569,686, 2,354,551.14 and 447,755

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Solution

The fourth proportional to 1,569,686, 2,354,551.14 and 447,755 is: 671,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,686 : 2,354,551.14 = 447,755 : x
  2. Step 2: Convert to fraction form
    1,569,686/2,354,551.14 = 447,755/x
  3. Step 3: Cross multiply
    1,569,686x = 2,354,551.14 × 447,755
  4. Step 4: Simplify right side
    1,569,686x = 1,054,262,045,690.70
  5. Step 5: Solve for x
    x = 1,054,262,045,690.70/1,569,686
  6. Step 6: Final answer
    x = 671,638.82

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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.