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Finding the Fourth Proportional to 301,494.70, 452,345.28 and 189,039.16

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Solution

The fourth proportional to 301,494.70, 452,345.28 and 189,039.16 is: 283,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,494.70 : 452,345.28 = 189,039.16 : x
  2. Step 2: Convert to fraction form
    301,494.70/452,345.28 = 189,039.16/x
  3. Step 3: Cross multiply
    301,494.70x = 452,345.28 × 189,039.16
  4. Step 4: Simplify right side
    301,494.70x = 85,510,971,761.16
  5. Step 5: Solve for x
    x = 85,510,971,761.16/301,494.70
  6. Step 6: Final answer
    x = 283,623.47

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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.