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Finding the Fourth Proportional to 653,368.80, 978,740.96 and 297,893.82

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Solution

The fourth proportional to 653,368.80, 978,740.96 and 297,893.82 is: 446,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,368.80 : 978,740.96 = 297,893.82 : x
  2. Step 2: Convert to fraction form
    653,368.80/978,740.96 = 297,893.82/x
  3. Step 3: Cross multiply
    653,368.80x = 978,740.96 × 297,893.82
  4. Step 4: Simplify right side
    653,368.80x = 291,560,883,364.87
  5. Step 5: Solve for x
    x = 291,560,883,364.87/653,368.80
  6. Step 6: Final answer
    x = 446,242.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.