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Finding the Fourth Proportional to 341,390.55, 512,085.83 and 341,390.55

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Solution

The fourth proportional to 341,390.55, 512,085.83 and 341,390.55 is: 512,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,390.55 : 512,085.83 = 341,390.55 : x
  2. Step 2: Convert to fraction form
    341,390.55/512,085.83 = 341,390.55/x
  3. Step 3: Cross multiply
    341,390.55x = 512,085.83 × 341,390.55
  4. Step 4: Simplify right side
    341,390.55x = 174,821,261,443.95
  5. Step 5: Solve for x
    x = 174,821,261,443.95/341,390.55
  6. Step 6: Final answer
    x = 512,085.83

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1.5x scale

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.