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Finding the Fourth Proportional to 341,972.83, 471,907.85 and 189,003.11

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Solution

The fourth proportional to 341,972.83, 471,907.85 and 189,003.11 is: 260,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,972.83 : 471,907.85 = 189,003.11 : x
  2. Step 2: Convert to fraction form
    341,972.83/471,907.85 = 189,003.11/x
  3. Step 3: Cross multiply
    341,972.83x = 471,907.85 × 189,003.11
  4. Step 4: Simplify right side
    341,972.83x = 89,192,051,518.17
  5. Step 5: Solve for x
    x = 89,192,051,518.17/341,972.83
  6. Step 6: Final answer
    x = 260,816.19

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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.