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Finding the Fourth Proportional to 344,554.56, 516,696.48 and 144,970.56

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Solution

The fourth proportional to 344,554.56, 516,696.48 and 144,970.56 is: 217,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,554.56 : 516,696.48 = 144,970.56 : x
  2. Step 2: Convert to fraction form
    344,554.56/516,696.48 = 144,970.56/x
  3. Step 3: Cross multiply
    344,554.56x = 516,696.48 × 144,970.56
  4. Step 4: Simplify right side
    344,554.56x = 74,905,778,055.63
  5. Step 5: Solve for x
    x = 74,905,778,055.63/344,554.56
  6. Step 6: Final answer
    x = 217,398.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.