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Finding the Fourth Proportional to 583,881, 875,821.56 and 140,649

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Solution

The fourth proportional to 583,881, 875,821.56 and 140,649 is: 210,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,881 : 875,821.56 = 140,649 : x
  2. Step 2: Convert to fraction form
    583,881/875,821.56 = 140,649/x
  3. Step 3: Cross multiply
    583,881x = 875,821.56 × 140,649
  4. Step 4: Simplify right side
    583,881x = 123,183,426,592.44
  5. Step 5: Solve for x
    x = 123,183,426,592.44/583,881
  6. Step 6: Final answer
    x = 210,973.51

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1.5x scale

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.