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Finding the Fourth Proportional to 233,813.79, 322,662.96 and 126,383.76

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Solution

The fourth proportional to 233,813.79, 322,662.96 and 126,383.76 is: 174,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,813.79 : 322,662.96 = 126,383.76 : x
  2. Step 2: Convert to fraction form
    233,813.79/322,662.96 = 126,383.76/x
  3. Step 3: Cross multiply
    233,813.79x = 322,662.96 × 126,383.76
  4. Step 4: Simplify right side
    233,813.79x = 40,779,358,097.53
  5. Step 5: Solve for x
    x = 40,779,358,097.53/233,813.79
  6. Step 6: Final answer
    x = 174,409.55

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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.