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Finding the Fourth Proportional to 351,117.48, 484,779.60 and 230,463.84

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Solution

The fourth proportional to 351,117.48, 484,779.60 and 230,463.84 is: 318,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,117.48 : 484,779.60 = 230,463.84 : x
  2. Step 2: Convert to fraction form
    351,117.48/484,779.60 = 230,463.84/x
  3. Step 3: Cross multiply
    351,117.48x = 484,779.60 × 230,463.84
  4. Step 4: Simplify right side
    351,117.48x = 111,724,168,169.66
  5. Step 5: Solve for x
    x = 111,724,168,169.66/351,117.48
  6. Step 6: Final answer
    x = 318,195.97

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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.