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Finding the Fourth Proportional to 448,684.65, 672,829.94 and 168,005.07

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Solution

The fourth proportional to 448,684.65, 672,829.94 and 168,005.07 is: 251,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,684.65 : 672,829.94 = 168,005.07 : x
  2. Step 2: Convert to fraction form
    448,684.65/672,829.94 = 168,005.07/x
  3. Step 3: Cross multiply
    448,684.65x = 672,829.94 × 168,005.07
  4. Step 4: Simplify right side
    448,684.65x = 113,038,841,587.81
  5. Step 5: Solve for x
    x = 113,038,841,587.81/448,684.65
  6. Step 6: Final answer
    x = 251,933.83

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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.