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Finding the Fourth Proportional to 662,603.40, 994,034.70 and 283,523.40

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Solution

The fourth proportional to 662,603.40, 994,034.70 and 283,523.40 is: 425,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,603.40 : 994,034.70 = 283,523.40 : x
  2. Step 2: Convert to fraction form
    662,603.40/994,034.70 = 283,523.40/x
  3. Step 3: Cross multiply
    662,603.40x = 994,034.70 × 283,523.40
  4. Step 4: Simplify right side
    662,603.40x = 281,832,097,861.98
  5. Step 5: Solve for x
    x = 281,832,097,861.98/662,603.40
  6. Step 6: Final answer
    x = 425,340.55

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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.