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Finding the Fourth Proportional to 341,851.80, 512,777.70 and 302,485.80

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Solution

The fourth proportional to 341,851.80, 512,777.70 and 302,485.80 is: 453,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,851.80 : 512,777.70 = 302,485.80 : x
  2. Step 2: Convert to fraction form
    341,851.80/512,777.70 = 302,485.80/x
  3. Step 3: Cross multiply
    341,851.80x = 512,777.70 × 302,485.80
  4. Step 4: Simplify right side
    341,851.80x = 155,107,972,806.66
  5. Step 5: Solve for x
    x = 155,107,972,806.66/341,851.80
  6. Step 6: Final answer
    x = 453,728.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.