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Finding the Fourth Proportional to 307,609.04, 461,367.48 and 255,354.32

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Solution

The fourth proportional to 307,609.04, 461,367.48 and 255,354.32 is: 382,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,609.04 : 461,367.48 = 255,354.32 : x
  2. Step 2: Convert to fraction form
    307,609.04/461,367.48 = 255,354.32/x
  3. Step 3: Cross multiply
    307,609.04x = 461,367.48 × 255,354.32
  4. Step 4: Simplify right side
    307,609.04x = 117,812,179,125.51
  5. Step 5: Solve for x
    x = 117,812,179,125.51/307,609.04
  6. Step 6: Final answer
    x = 382,993.23

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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.