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Finding the Fourth Proportional to 425,091, 586,625.58 and 234,103.98

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Solution

The fourth proportional to 425,091, 586,625.58 and 234,103.98 is: 323,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,091 : 586,625.58 = 234,103.98 : x
  2. Step 2: Convert to fraction form
    425,091/586,625.58 = 234,103.98/x
  3. Step 3: Cross multiply
    425,091x = 586,625.58 × 234,103.98
  4. Step 4: Simplify right side
    425,091x = 137,331,383,047.81
  5. Step 5: Solve for x
    x = 137,331,383,047.81/425,091
  6. Step 6: Final answer
    x = 323,063.49

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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.