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Finding the Fourth Proportional to 431,903.68, 596,039.70 and 240,912.94

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Solution

The fourth proportional to 431,903.68, 596,039.70 and 240,912.94 is: 332,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,903.68 : 596,039.70 = 240,912.94 : x
  2. Step 2: Convert to fraction form
    431,903.68/596,039.70 = 240,912.94/x
  3. Step 3: Cross multiply
    431,903.68x = 596,039.70 × 240,912.94
  4. Step 4: Simplify right side
    431,903.68x = 143,593,676,483.72
  5. Step 5: Solve for x
    x = 143,593,676,483.72/431,903.68
  6. Step 6: Final answer
    x = 332,466.90

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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.