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Finding the Fourth Proportional to 405,225.91, 607,648.04 and 236,794.92

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Solution

The fourth proportional to 405,225.91, 607,648.04 and 236,794.92 is: 355,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,225.91 : 607,648.04 = 236,794.92 : x
  2. Step 2: Convert to fraction form
    405,225.91/607,648.04 = 236,794.92/x
  3. Step 3: Cross multiply
    405,225.91x = 607,648.04 × 236,794.92
  4. Step 4: Simplify right side
    405,225.91x = 143,887,969,019.96
  5. Step 5: Solve for x
    x = 143,887,969,019.96/405,225.91
  6. Step 6: Final answer
    x = 355,080.87

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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.