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Finding the Fourth Proportional to 445,248.41, 614,508.76 and 281,920.10

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Solution

The fourth proportional to 445,248.41, 614,508.76 and 281,920.10 is: 389,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,248.41 : 614,508.76 = 281,920.10 : x
  2. Step 2: Convert to fraction form
    445,248.41/614,508.76 = 281,920.10/x
  3. Step 3: Cross multiply
    445,248.41x = 614,508.76 × 281,920.10
  4. Step 4: Simplify right side
    445,248.41x = 173,242,368,321.51
  5. Step 5: Solve for x
    x = 173,242,368,321.51/445,248.41
  6. Step 6: Final answer
    x = 389,091.49

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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.