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Finding the Fourth Proportional to 312,599.16, 468,892.26 and 75,943.08

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Solution

The fourth proportional to 312,599.16, 468,892.26 and 75,943.08 is: 113,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,599.16 : 468,892.26 = 75,943.08 : x
  2. Step 2: Convert to fraction form
    312,599.16/468,892.26 = 75,943.08/x
  3. Step 3: Cross multiply
    312,599.16x = 468,892.26 × 75,943.08
  4. Step 4: Simplify right side
    312,599.16x = 35,609,122,412.56
  5. Step 5: Solve for x
    x = 35,609,122,412.56/312,599.16
  6. Step 6: Final answer
    x = 113,913.05

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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.