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Finding the Fourth Proportional to 431,409.17, 595,346.65 and 250,228.37

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Solution

The fourth proportional to 431,409.17, 595,346.65 and 250,228.37 is: 345,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,409.17 : 595,346.65 = 250,228.37 : x
  2. Step 2: Convert to fraction form
    431,409.17/595,346.65 = 250,228.37/x
  3. Step 3: Cross multiply
    431,409.17x = 595,346.65 × 250,228.37
  4. Step 4: Simplify right side
    431,409.17x = 148,972,621,814.46
  5. Step 5: Solve for x
    x = 148,972,621,814.46/431,409.17
  6. Step 6: Final answer
    x = 345,316.31

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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.