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Finding the Fourth Proportional to 431,059.39, 594,862.01 and 240,072.78

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Solution

The fourth proportional to 431,059.39, 594,862.01 and 240,072.78 is: 331,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,059.39 : 594,862.01 = 240,072.78 : x
  2. Step 2: Convert to fraction form
    431,059.39/594,862.01 = 240,072.78/x
  3. Step 3: Cross multiply
    431,059.39x = 594,862.01 × 240,072.78
  4. Step 4: Simplify right side
    431,059.39x = 142,810,176,457.09
  5. Step 5: Solve for x
    x = 142,810,176,457.09/431,059.39
  6. Step 6: Final answer
    x = 331,300.47

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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.