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Finding the Fourth Proportional to 341,307.75, 471,004.90 and 190,404.75

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Solution

The fourth proportional to 341,307.75, 471,004.90 and 190,404.75 is: 262,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,307.75 : 471,004.90 = 190,404.75 : x
  2. Step 2: Convert to fraction form
    341,307.75/471,004.90 = 190,404.75/x
  3. Step 3: Cross multiply
    341,307.75x = 471,004.90 × 190,404.75
  4. Step 4: Simplify right side
    341,307.75x = 89,681,570,233.28
  5. Step 5: Solve for x
    x = 89,681,570,233.28/341,307.75
  6. Step 6: Final answer
    x = 262,758.67

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1.5x scale

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.