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Finding the Fourth Proportional to 280,199.67, 386,558.52 and 183,427.19

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Solution

The fourth proportional to 280,199.67, 386,558.52 and 183,427.19 is: 253,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,199.67 : 386,558.52 = 183,427.19 : x
  2. Step 2: Convert to fraction form
    280,199.67/386,558.52 = 183,427.19/x
  3. Step 3: Cross multiply
    280,199.67x = 386,558.52 × 183,427.19
  4. Step 4: Simplify right side
    280,199.67x = 70,905,343,094.16
  5. Step 5: Solve for x
    x = 70,905,343,094.16/280,199.67
  6. Step 6: Final answer
    x = 253,052.91

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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.