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Finding the Fourth Proportional to 326,923.94, 451,155.42 and 183,683.90

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Solution

The fourth proportional to 326,923.94, 451,155.42 and 183,683.90 is: 253,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,923.94 : 451,155.42 = 183,683.90 : x
  2. Step 2: Convert to fraction form
    326,923.94/451,155.42 = 183,683.90/x
  3. Step 3: Cross multiply
    326,923.94x = 451,155.42 × 183,683.90
  4. Step 4: Simplify right side
    326,923.94x = 82,869,987,051.74
  5. Step 5: Solve for x
    x = 82,869,987,051.74/326,923.94
  6. Step 6: Final answer
    x = 253,484.00

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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.