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Finding the Fourth Proportional to 544,490.58, 816,774.75 and 145,129.26

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Solution

The fourth proportional to 544,490.58, 816,774.75 and 145,129.26 is: 217,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,490.58 : 816,774.75 = 145,129.26 : x
  2. Step 2: Convert to fraction form
    544,490.58/816,774.75 = 145,129.26/x
  3. Step 3: Cross multiply
    544,490.58x = 816,774.75 × 145,129.26
  4. Step 4: Simplify right side
    544,490.58x = 118,537,915,054.19
  5. Step 5: Solve for x
    x = 118,537,915,054.19/544,490.58
  6. Step 6: Final answer
    x = 217,704.25

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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.