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Finding the Fourth Proportional to 482,378.95, 665,639.33 and 267,518.35

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Solution

The fourth proportional to 482,378.95, 665,639.33 and 267,518.35 is: 369,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,378.95 : 665,639.33 = 267,518.35 : x
  2. Step 2: Convert to fraction form
    482,378.95/665,639.33 = 267,518.35/x
  3. Step 3: Cross multiply
    482,378.95x = 665,639.33 × 267,518.35
  4. Step 4: Simplify right side
    482,378.95x = 178,070,735,256.71
  5. Step 5: Solve for x
    x = 178,070,735,256.71/482,378.95
  6. Step 6: Final answer
    x = 369,151.13

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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.