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Finding the Fourth Proportional to 259,623, 358,318.62 and 159,079.32

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Solution

The fourth proportional to 259,623, 358,318.62 and 159,079.32 is: 219,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,623 : 358,318.62 = 159,079.32 : x
  2. Step 2: Convert to fraction form
    259,623/358,318.62 = 159,079.32/x
  3. Step 3: Cross multiply
    259,623x = 358,318.62 × 159,079.32
  4. Step 4: Simplify right side
    259,623x = 57,001,082,412.94
  5. Step 5: Solve for x
    x = 57,001,082,412.94/259,623
  6. Step 6: Final answer
    x = 219,553.28

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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.