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Finding the Fourth Proportional to 431,465.16, 595,396.31 and 247,661.27

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Solution

The fourth proportional to 431,465.16, 595,396.31 and 247,661.27 is: 341,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,465.16 : 595,396.31 = 247,661.27 : x
  2. Step 2: Convert to fraction form
    431,465.16/595,396.31 = 247,661.27/x
  3. Step 3: Cross multiply
    431,465.16x = 595,396.31 × 247,661.27
  4. Step 4: Simplify right side
    431,465.16x = 147,456,602,072.63
  5. Step 5: Solve for x
    x = 147,456,602,072.63/431,465.16
  6. Step 6: Final answer
    x = 341,757.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.