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Finding the Fourth Proportional to 652,291.25, 978,529.18 and 203,057.53

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Solution

The fourth proportional to 652,291.25, 978,529.18 and 203,057.53 is: 304,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,291.25 : 978,529.18 = 203,057.53 : x
  2. Step 2: Convert to fraction form
    652,291.25/978,529.18 = 203,057.53/x
  3. Step 3: Cross multiply
    652,291.25x = 978,529.18 × 203,057.53
  4. Step 4: Simplify right side
    652,291.25x = 198,697,712,415.79
  5. Step 5: Solve for x
    x = 198,697,712,415.79/652,291.25
  6. Step 6: Final answer
    x = 304,615.02

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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.