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Finding the Fourth Proportional to 439,131.63, 606,002.05 and 237,927.63

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Solution

The fourth proportional to 439,131.63, 606,002.05 and 237,927.63 is: 328,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,131.63 : 606,002.05 = 237,927.63 : x
  2. Step 2: Convert to fraction form
    439,131.63/606,002.05 = 237,927.63/x
  3. Step 3: Cross multiply
    439,131.63x = 606,002.05 × 237,927.63
  4. Step 4: Simplify right side
    439,131.63x = 144,184,627,906.81
  5. Step 5: Solve for x
    x = 144,184,627,906.81/439,131.63
  6. Step 6: Final answer
    x = 328,340.34

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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.