Home / 349,742.80-524,614.20-223,771.60

Finding the Fourth Proportional to 349,742.80, 524,614.20 and 223,771.60

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Solution

The fourth proportional to 349,742.80, 524,614.20 and 223,771.60 is: 335,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,742.80 : 524,614.20 = 223,771.60 : x
  2. Step 2: Convert to fraction form
    349,742.80/524,614.20 = 223,771.60/x
  3. Step 3: Cross multiply
    349,742.80x = 524,614.20 × 223,771.60
  4. Step 4: Simplify right side
    349,742.80x = 117,393,758,916.72
  5. Step 5: Solve for x
    x = 117,393,758,916.72/349,742.80
  6. Step 6: Final answer
    x = 335,657.40

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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.