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Finding the Fourth Proportional to 431,441.63, 595,409.72 and 240,456.39

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Solution

The fourth proportional to 431,441.63, 595,409.72 and 240,456.39 is: 331,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,441.63 : 595,409.72 = 240,456.39 : x
  2. Step 2: Convert to fraction form
    431,441.63/595,409.72 = 240,456.39/x
  3. Step 3: Cross multiply
    431,441.63x = 595,409.72 × 240,456.39
  4. Step 4: Simplify right side
    431,441.63x = 143,170,069,308.75
  5. Step 5: Solve for x
    x = 143,170,069,308.75/431,441.63
  6. Step 6: Final answer
    x = 331,841.11

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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.