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Finding the Fourth Proportional to 333,307.61, 459,964.21 and 188,143.96

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Solution

The fourth proportional to 333,307.61, 459,964.21 and 188,143.96 is: 259,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,307.61 : 459,964.21 = 188,143.96 : x
  2. Step 2: Convert to fraction form
    333,307.61/459,964.21 = 188,143.96/x
  3. Step 3: Cross multiply
    333,307.61x = 459,964.21 × 188,143.96
  4. Step 4: Simplify right side
    333,307.61x = 86,539,486,307.40
  5. Step 5: Solve for x
    x = 86,539,486,307.40/333,307.61
  6. Step 6: Final answer
    x = 259,638.49

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