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Finding the Fourth Proportional to 602,705.45, 903,697.32 and 203,337.38

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Solution

The fourth proportional to 602,705.45, 903,697.32 and 203,337.38 is: 304,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,705.45 : 903,697.32 = 203,337.38 : x
  2. Step 2: Convert to fraction form
    602,705.45/903,697.32 = 203,337.38/x
  3. Step 3: Cross multiply
    602,705.45x = 903,697.32 × 203,337.38
  4. Step 4: Simplify right side
    602,705.45x = 183,755,445,361.82
  5. Step 5: Solve for x
    x = 183,755,445,361.82/602,705.45
  6. Step 6: Final answer
    x = 304,884.33

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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.