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Finding the Fourth Proportional to 356,252, 533,911.44 and 198,554.72

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Solution

The fourth proportional to 356,252, 533,911.44 and 198,554.72 is: 297,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,252 : 533,911.44 = 198,554.72 : x
  2. Step 2: Convert to fraction form
    356,252/533,911.44 = 198,554.72/x
  3. Step 3: Cross multiply
    356,252x = 533,911.44 × 198,554.72
  4. Step 4: Simplify right side
    356,252x = 106,010,636,474.00
  5. Step 5: Solve for x
    x = 106,010,636,474.00/356,252
  6. Step 6: Final answer
    x = 297,572.05

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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.