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Finding the Fourth Proportional to 341,728.29, 471,583.16 and 188,776.98

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Solution

The fourth proportional to 341,728.29, 471,583.16 and 188,776.98 is: 260,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,728.29 : 471,583.16 = 188,776.98 : x
  2. Step 2: Convert to fraction form
    341,728.29/471,583.16 = 188,776.98/x
  3. Step 3: Cross multiply
    341,728.29x = 471,583.16 × 188,776.98
  4. Step 4: Simplify right side
    341,728.29x = 89,024,043,819.77
  5. Step 5: Solve for x
    x = 89,024,043,819.77/341,728.29
  6. Step 6: Final answer
    x = 260,511.19

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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.