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Finding the Fourth Proportional to 298,089.01, 446,827.79 and 155,858.68

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Solution

The fourth proportional to 298,089.01, 446,827.79 and 155,858.68 is: 233,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,089.01 : 446,827.79 = 155,858.68 : x
  2. Step 2: Convert to fraction form
    298,089.01/446,827.79 = 155,858.68/x
  3. Step 3: Cross multiply
    298,089.01x = 446,827.79 × 155,858.68
  4. Step 4: Simplify right side
    298,089.01x = 69,641,990,484.90
  5. Step 5: Solve for x
    x = 69,641,990,484.90/298,089.01
  6. Step 6: Final answer
    x = 233,628.17

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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.