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Finding the Fourth Proportional to 424,812.56, 586,239.96 and 233,826.08

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Solution

The fourth proportional to 424,812.56, 586,239.96 and 233,826.08 is: 322,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,812.56 : 586,239.96 = 233,826.08 : x
  2. Step 2: Convert to fraction form
    424,812.56/586,239.96 = 233,826.08/x
  3. Step 3: Cross multiply
    424,812.56x = 586,239.96 × 233,826.08
  4. Step 4: Simplify right side
    424,812.56x = 137,078,191,786.16
  5. Step 5: Solve for x
    x = 137,078,191,786.16/424,812.56
  6. Step 6: Final answer
    x = 322,679.23

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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.