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Finding the Fourth Proportional to 341,509.76, 471,240 and 190,613.12

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Solution

The fourth proportional to 341,509.76, 471,240 and 190,613.12 is: 263,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,509.76 : 471,240 = 190,613.12 : x
  2. Step 2: Convert to fraction form
    341,509.76/471,240 = 190,613.12/x
  3. Step 3: Cross multiply
    341,509.76x = 471,240 × 190,613.12
  4. Step 4: Simplify right side
    341,509.76x = 89,824,526,668.80
  5. Step 5: Solve for x
    x = 89,824,526,668.80/341,509.76
  6. Step 6: Final answer
    x = 263,021.84

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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.