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Finding the Fourth Proportional to 489,232.47, 675,214.62 and 298,356.57

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Solution

The fourth proportional to 489,232.47, 675,214.62 and 298,356.57 is: 411,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,232.47 : 675,214.62 = 298,356.57 : x
  2. Step 2: Convert to fraction form
    489,232.47/675,214.62 = 298,356.57/x
  3. Step 3: Cross multiply
    489,232.47x = 675,214.62 × 298,356.57
  4. Step 4: Simplify right side
    489,232.47x = 201,454,718,037.05
  5. Step 5: Solve for x
    x = 201,454,718,037.05/489,232.47
  6. Step 6: Final answer
    x = 411,777.08

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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.