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Finding the Fourth Proportional to 448,301.48, 672,550.62 and 132,783.08

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Solution

The fourth proportional to 448,301.48, 672,550.62 and 132,783.08 is: 199,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,301.48 : 672,550.62 = 132,783.08 : x
  2. Step 2: Convert to fraction form
    448,301.48/672,550.62 = 132,783.08/x
  3. Step 3: Cross multiply
    448,301.48x = 672,550.62 × 132,783.08
  4. Step 4: Simplify right side
    448,301.48x = 89,303,342,779.51
  5. Step 5: Solve for x
    x = 89,303,342,779.51/448,301.48
  6. Step 6: Final answer
    x = 199,203.77

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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.