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Finding the Fourth Proportional to 404,574.96, 557,997.86 and 259,394.62

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Solution

The fourth proportional to 404,574.96, 557,997.86 and 259,394.62 is: 357,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,574.96 : 557,997.86 = 259,394.62 : x
  2. Step 2: Convert to fraction form
    404,574.96/557,997.86 = 259,394.62/x
  3. Step 3: Cross multiply
    404,574.96x = 557,997.86 × 259,394.62
  4. Step 4: Simplify right side
    404,574.96x = 144,741,642,855.51
  5. Step 5: Solve for x
    x = 144,741,642,855.51/404,574.96
  6. Step 6: Final answer
    x = 357,762.24

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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.