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Finding the Fourth Proportional to 655,243, 983,101.01 and 228,841.58

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Solution

The fourth proportional to 655,243, 983,101.01 and 228,841.58 is: 343,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,243 : 983,101.01 = 228,841.58 : x
  2. Step 2: Convert to fraction form
    655,243/983,101.01 = 228,841.58/x
  3. Step 3: Cross multiply
    655,243x = 983,101.01 × 228,841.58
  4. Step 4: Simplify right side
    655,243x = 224,974,388,428.00
  5. Step 5: Solve for x
    x = 224,974,388,428.00/655,243
  6. Step 6: Final answer
    x = 343,344.97

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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.