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Finding the Fourth Proportional to 341,410.51, 471,146.55 and 188,448.76

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Solution

The fourth proportional to 341,410.51, 471,146.55 and 188,448.76 is: 260,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,410.51 : 471,146.55 = 188,448.76 : x
  2. Step 2: Convert to fraction form
    341,410.51/471,146.55 = 188,448.76/x
  3. Step 3: Cross multiply
    341,410.51x = 471,146.55 × 188,448.76
  4. Step 4: Simplify right side
    341,410.51x = 88,786,983,125.78
  5. Step 5: Solve for x
    x = 88,786,983,125.78/341,410.51
  6. Step 6: Final answer
    x = 260,059.31

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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.