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Finding the Fourth Proportional to 553,893.73, 830,929.12 and 234,048.62

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Solution

The fourth proportional to 553,893.73, 830,929.12 and 234,048.62 is: 351,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,893.73 : 830,929.12 = 234,048.62 : x
  2. Step 2: Convert to fraction form
    553,893.73/830,929.12 = 234,048.62/x
  3. Step 3: Cross multiply
    553,893.73x = 830,929.12 × 234,048.62
  4. Step 4: Simplify right side
    553,893.73x = 194,477,815,346.02
  5. Step 5: Solve for x
    x = 194,477,815,346.02/553,893.73
  6. Step 6: Final answer
    x = 351,110.34

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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.