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Finding the Fourth Proportional to 352,866.84, 529,981.08 and 302,380.32

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Solution

The fourth proportional to 352,866.84, 529,981.08 and 302,380.32 is: 454,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,866.84 : 529,981.08 = 302,380.32 : x
  2. Step 2: Convert to fraction form
    352,866.84/529,981.08 = 302,380.32/x
  3. Step 3: Cross multiply
    352,866.84x = 529,981.08 × 302,380.32
  4. Step 4: Simplify right side
    352,866.84x = 160,255,848,564.35
  5. Step 5: Solve for x
    x = 160,255,848,564.35/352,866.84
  6. Step 6: Final answer
    x = 454,153.89

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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.