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Finding the Fourth Proportional to 448,480.89, 672,368.15 and 223,725.65

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Solution

The fourth proportional to 448,480.89, 672,368.15 and 223,725.65 is: 335,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,480.89 : 672,368.15 = 223,725.65 : x
  2. Step 2: Convert to fraction form
    448,480.89/672,368.15 = 223,725.65/x
  3. Step 3: Cross multiply
    448,480.89x = 672,368.15 × 223,725.65
  4. Step 4: Simplify right side
    448,480.89x = 150,425,998,595.52
  5. Step 5: Solve for x
    x = 150,425,998,595.52/448,480.89
  6. Step 6: Final answer
    x = 335,412.28

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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.