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Finding the Fourth Proportional to 431,628.94, 595,655.40 and 240,621.22

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Solution

The fourth proportional to 431,628.94, 595,655.40 and 240,621.22 is: 332,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,628.94 : 595,655.40 = 240,621.22 : x
  2. Step 2: Convert to fraction form
    431,628.94/595,655.40 = 240,621.22/x
  3. Step 3: Cross multiply
    431,628.94x = 595,655.40 × 240,621.22
  4. Step 4: Simplify right side
    431,628.94x = 143,327,329,047.59
  5. Step 5: Solve for x
    x = 143,327,329,047.59/431,628.94
  6. Step 6: Final answer
    x = 332,061.44

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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.