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Finding the Fourth Proportional to 529,223.64, 730,342.62 and 302,942.04

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Solution

The fourth proportional to 529,223.64, 730,342.62 and 302,942.04 is: 418,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,223.64 : 730,342.62 = 302,942.04 : x
  2. Step 2: Convert to fraction form
    529,223.64/730,342.62 = 302,942.04/x
  3. Step 3: Cross multiply
    529,223.64x = 730,342.62 × 302,942.04
  4. Step 4: Simplify right side
    529,223.64x = 221,251,483,201.75
  5. Step 5: Solve for x
    x = 221,251,483,201.75/529,223.64
  6. Step 6: Final answer
    x = 418,068.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.