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Finding the Fourth Proportional to 353,958.60, 530,063.10 and 234,985.80

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Solution

The fourth proportional to 353,958.60, 530,063.10 and 234,985.80 is: 351,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,958.60 : 530,063.10 = 234,985.80 : x
  2. Step 2: Convert to fraction form
    353,958.60/530,063.10 = 234,985.80/x
  3. Step 3: Cross multiply
    353,958.60x = 530,063.10 × 234,985.80
  4. Step 4: Simplify right side
    353,958.60x = 124,557,301,603.98
  5. Step 5: Solve for x
    x = 124,557,301,603.98/353,958.60
  6. Step 6: Final answer
    x = 351,897.94

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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.