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Finding the Fourth Proportional to 370,758.64, 556,099.69 and 251,580.81

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Solution

The fourth proportional to 370,758.64, 556,099.69 and 251,580.81 is: 377,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,758.64 : 556,099.69 = 251,580.81 : x
  2. Step 2: Convert to fraction form
    370,758.64/556,099.69 = 251,580.81/x
  3. Step 3: Cross multiply
    370,758.64x = 556,099.69 × 251,580.81
  4. Step 4: Simplify right side
    370,758.64x = 139,904,010,450.95
  5. Step 5: Solve for x
    x = 139,904,010,450.95/370,758.64
  6. Step 6: Final answer
    x = 377,345.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.