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Finding the Fourth Proportional to 308,541.02, 425,780.97 and 174,405.02

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Solution

The fourth proportional to 308,541.02, 425,780.97 and 174,405.02 is: 240,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,541.02 : 425,780.97 = 174,405.02 : x
  2. Step 2: Convert to fraction form
    308,541.02/425,780.97 = 174,405.02/x
  3. Step 3: Cross multiply
    308,541.02x = 425,780.97 × 174,405.02
  4. Step 4: Simplify right side
    308,541.02x = 74,258,338,588.47
  5. Step 5: Solve for x
    x = 74,258,338,588.47/308,541.02
  6. Step 6: Final answer
    x = 240,675.74

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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.