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Finding the Fourth Proportional to 417,051.04, 625,201.96 and 203,698.24

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Solution

The fourth proportional to 417,051.04, 625,201.96 and 203,698.24 is: 305,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,051.04 : 625,201.96 = 203,698.24 : x
  2. Step 2: Convert to fraction form
    417,051.04/625,201.96 = 203,698.24/x
  3. Step 3: Cross multiply
    417,051.04x = 625,201.96 × 203,698.24
  4. Step 4: Simplify right side
    417,051.04x = 127,352,538,896.55
  5. Step 5: Solve for x
    x = 127,352,538,896.55/417,051.04
  6. Step 6: Final answer
    x = 305,364.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.