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Finding the Fourth Proportional to 448,150.40, 672,225.60 and 410,825.60

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Solution

The fourth proportional to 448,150.40, 672,225.60 and 410,825.60 is: 616,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,150.40 : 672,225.60 = 410,825.60 : x
  2. Step 2: Convert to fraction form
    448,150.40/672,225.60 = 410,825.60/x
  3. Step 3: Cross multiply
    448,150.40x = 672,225.60 × 410,825.60
  4. Step 4: Simplify right side
    448,150.40x = 276,167,485,455.36
  5. Step 5: Solve for x
    x = 276,167,485,455.36/448,150.40
  6. Step 6: Final answer
    x = 616,238.40

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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.