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Finding the Fourth Proportional to 683,482.51, 942,504.56 and 453,956.59

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Solution

The fourth proportional to 683,482.51, 942,504.56 and 453,956.59 is: 625,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,482.51 : 942,504.56 = 453,956.59 : x
  2. Step 2: Convert to fraction form
    683,482.51/942,504.56 = 453,956.59/x
  3. Step 3: Cross multiply
    683,482.51x = 942,504.56 × 453,956.59
  4. Step 4: Simplify right side
    683,482.51x = 427,856,153,847.27
  5. Step 5: Solve for x
    x = 427,856,153,847.27/683,482.51
  6. Step 6: Final answer
    x = 625,994.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.