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Finding the Fourth Proportional to 341,860.80, 512,791.20 and 302,494.80

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Solution

The fourth proportional to 341,860.80, 512,791.20 and 302,494.80 is: 453,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,860.80 : 512,791.20 = 302,494.80 : x
  2. Step 2: Convert to fraction form
    341,860.80/512,791.20 = 302,494.80/x
  3. Step 3: Cross multiply
    341,860.80x = 512,791.20 × 302,494.80
  4. Step 4: Simplify right side
    341,860.80x = 155,116,671,485.76
  5. Step 5: Solve for x
    x = 155,116,671,485.76/341,860.80
  6. Step 6: Final answer
    x = 453,742.20

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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.