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Finding the Fourth Proportional to 341,642.32, 471,469.93 and 188,684.34

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Solution

The fourth proportional to 341,642.32, 471,469.93 and 188,684.34 is: 260,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,642.32 : 471,469.93 = 188,684.34 : x
  2. Step 2: Convert to fraction form
    341,642.32/471,469.93 = 188,684.34/x
  3. Step 3: Cross multiply
    341,642.32x = 471,469.93 × 188,684.34
  4. Step 4: Simplify right side
    341,642.32x = 88,958,990,597.51
  5. Step 5: Solve for x
    x = 88,958,990,597.51/341,642.32
  6. Step 6: Final answer
    x = 260,386.33

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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.