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Finding the Fourth Proportional to 424,820.79, 586,252.85 and 233,832.81

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Solution

The fourth proportional to 424,820.79, 586,252.85 and 233,832.81 is: 322,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,820.79 : 586,252.85 = 233,832.81 : x
  2. Step 2: Convert to fraction form
    424,820.79/586,252.85 = 233,832.81/x
  3. Step 3: Cross multiply
    424,820.79x = 586,252.85 × 233,832.81
  4. Step 4: Simplify right side
    424,820.79x = 137,085,151,286.01
  5. Step 5: Solve for x
    x = 137,085,151,286.01/424,820.79
  6. Step 6: Final answer
    x = 322,689.37

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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.