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Finding the Fourth Proportional to 405,277.26, 607,417.58 and 227,410.58

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Solution

The fourth proportional to 405,277.26, 607,417.58 and 227,410.58 is: 340,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,277.26 : 607,417.58 = 227,410.58 : x
  2. Step 2: Convert to fraction form
    405,277.26/607,417.58 = 227,410.58/x
  3. Step 3: Cross multiply
    405,277.26x = 607,417.58 × 227,410.58
  4. Step 4: Simplify right side
    405,277.26x = 138,133,179,995.86
  5. Step 5: Solve for x
    x = 138,133,179,995.86/405,277.26
  6. Step 6: Final answer
    x = 340,836.25

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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.