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Finding the Fourth Proportional to 683,958.88, 1,025,889.72 and 210,594.88

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Solution

The fourth proportional to 683,958.88, 1,025,889.72 and 210,594.88 is: 315,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,958.88 : 1,025,889.72 = 210,594.88 : x
  2. Step 2: Convert to fraction form
    683,958.88/1,025,889.72 = 210,594.88/x
  3. Step 3: Cross multiply
    683,958.88x = 1,025,889.72 × 210,594.88
  4. Step 4: Simplify right side
    683,958.88x = 216,047,122,476.63
  5. Step 5: Solve for x
    x = 216,047,122,476.63/683,958.88
  6. Step 6: Final answer
    x = 315,877.36

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1.5x scale

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.