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Finding the Fourth Proportional to 341,312.06, 471,010.85 and 190,409.06

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Solution

The fourth proportional to 341,312.06, 471,010.85 and 190,409.06 is: 262,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,312.06 : 471,010.85 = 190,409.06 : x
  2. Step 2: Convert to fraction form
    341,312.06/471,010.85 = 190,409.06/x
  3. Step 3: Cross multiply
    341,312.06x = 471,010.85 × 190,409.06
  4. Step 4: Simplify right side
    341,312.06x = 89,684,734,137.82
  5. Step 5: Solve for x
    x = 89,684,734,137.82/341,312.06
  6. Step 6: Final answer
    x = 262,764.62

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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.