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Finding the Fourth Proportional to 375,916.12, 562,527.16 and 325,489.05

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Solution

The fourth proportional to 375,916.12, 562,527.16 and 325,489.05 is: 487,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,916.12 : 562,527.16 = 325,489.05 : x
  2. Step 2: Convert to fraction form
    375,916.12/562,527.16 = 325,489.05/x
  3. Step 3: Cross multiply
    375,916.12x = 562,527.16 × 325,489.05
  4. Step 4: Simplify right side
    375,916.12x = 183,096,430,093.88
  5. Step 5: Solve for x
    x = 183,096,430,093.88/375,916.12
  6. Step 6: Final answer
    x = 487,067.25

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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.