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Finding the Fourth Proportional to 699,070, 1,046,349.40 and 361,645.96

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Solution

The fourth proportional to 699,070, 1,046,349.40 and 361,645.96 is: 541,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,070 : 1,046,349.40 = 361,645.96 : x
  2. Step 2: Convert to fraction form
    699,070/1,046,349.40 = 361,645.96/x
  3. Step 3: Cross multiply
    699,070x = 1,046,349.40 × 361,645.96
  4. Step 4: Simplify right side
    699,070x = 378,408,033,258.42
  5. Step 5: Solve for x
    x = 378,408,033,258.42/699,070
  6. Step 6: Final answer
    x = 541,302.06

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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.