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Finding the Fourth Proportional to 424,638.09, 586,004.67 and 233,655.59

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Solution

The fourth proportional to 424,638.09, 586,004.67 and 233,655.59 is: 322,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,638.09 : 586,004.67 = 233,655.59 : x
  2. Step 2: Convert to fraction form
    424,638.09/586,004.67 = 233,655.59/x
  3. Step 3: Cross multiply
    424,638.09x = 586,004.67 × 233,655.59
  4. Step 4: Simplify right side
    424,638.09x = 136,923,263,981.58
  5. Step 5: Solve for x
    x = 136,923,263,981.58/424,638.09
  6. Step 6: Final answer
    x = 322,446.97

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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.