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Finding the Fourth Proportional to 669,091.51, 923,347.21 and 363,167.95

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Solution

The fourth proportional to 669,091.51, 923,347.21 and 363,167.95 is: 501,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,091.51 : 923,347.21 = 363,167.95 : x
  2. Step 2: Convert to fraction form
    669,091.51/923,347.21 = 363,167.95/x
  3. Step 3: Cross multiply
    669,091.51x = 923,347.21 × 363,167.95
  4. Step 4: Simplify right side
    669,091.51x = 335,330,111,578.08
  5. Step 5: Solve for x
    x = 335,330,111,578.08/669,091.51
  6. Step 6: Final answer
    x = 501,172.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.