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Finding the Fourth Proportional to 424,340.78, 585,573.99 and 233,342.78

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Solution

The fourth proportional to 424,340.78, 585,573.99 and 233,342.78 is: 322,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,340.78 : 585,573.99 = 233,342.78 : x
  2. Step 2: Convert to fraction form
    424,340.78/585,573.99 = 233,342.78/x
  3. Step 3: Cross multiply
    424,340.78x = 585,573.99 × 233,342.78
  4. Step 4: Simplify right side
    424,340.78x = 136,639,462,722.29
  5. Step 5: Solve for x
    x = 136,639,462,722.29/424,340.78
  6. Step 6: Final answer
    x = 322,004.08

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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.