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Finding the Fourth Proportional to 341,334.20, 471,041.40 and 190,431.20

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Solution

The fourth proportional to 341,334.20, 471,041.40 and 190,431.20 is: 262,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,334.20 : 471,041.40 = 190,431.20 : x
  2. Step 2: Convert to fraction form
    341,334.20/471,041.40 = 190,431.20/x
  3. Step 3: Cross multiply
    341,334.20x = 471,041.40 × 190,431.20
  4. Step 4: Simplify right side
    341,334.20x = 89,700,976,696.47
  5. Step 5: Solve for x
    x = 89,700,976,696.47/341,334.20
  6. Step 6: Final answer
    x = 262,795.17

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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.