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Finding the Fourth Proportional to 341,953.92, 471,464.64 and 220,890.24

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Solution

The fourth proportional to 341,953.92, 471,464.64 and 220,890.24 is: 304,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,953.92 : 471,464.64 = 220,890.24 : x
  2. Step 2: Convert to fraction form
    341,953.92/471,464.64 = 220,890.24/x
  3. Step 3: Cross multiply
    341,953.92x = 471,464.64 × 220,890.24
  4. Step 4: Simplify right side
    341,953.92x = 104,141,937,481.11
  5. Step 5: Solve for x
    x = 104,141,937,481.11/341,953.92
  6. Step 6: Final answer
    x = 304,549.62

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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.