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Finding the Fourth Proportional to 341,698.91, 471,549.47 and 198,458.96

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Solution

The fourth proportional to 341,698.91, 471,549.47 and 198,458.96 is: 273,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,698.91 : 471,549.47 = 198,458.96 : x
  2. Step 2: Convert to fraction form
    341,698.91/471,549.47 = 198,458.96/x
  3. Step 3: Cross multiply
    341,698.91x = 471,549.47 × 198,458.96
  4. Step 4: Simplify right side
    341,698.91x = 93,583,214,054.71
  5. Step 5: Solve for x
    x = 93,583,214,054.71/341,698.91
  6. Step 6: Final answer
    x = 273,876.25

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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.