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Finding the Fourth Proportional to 544,484.58, 816,765.75 and 145,123.26

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Solution

The fourth proportional to 544,484.58, 816,765.75 and 145,123.26 is: 217,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,484.58 : 816,765.75 = 145,123.26 : x
  2. Step 2: Convert to fraction form
    544,484.58/816,765.75 = 145,123.26/x
  3. Step 3: Cross multiply
    544,484.58x = 816,765.75 × 145,123.26
  4. Step 4: Simplify right side
    544,484.58x = 118,531,708,296.35
  5. Step 5: Solve for x
    x = 118,531,708,296.35/544,484.58
  6. Step 6: Final answer
    x = 217,695.25

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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.