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Finding the Fourth Proportional to 552,957.80, 829,495.56 and 153,599.36

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Solution

The fourth proportional to 552,957.80, 829,495.56 and 153,599.36 is: 230,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,957.80 : 829,495.56 = 153,599.36 : x
  2. Step 2: Convert to fraction form
    552,957.80/829,495.56 = 153,599.36/x
  3. Step 3: Cross multiply
    552,957.80x = 829,495.56 × 153,599.36
  4. Step 4: Simplify right side
    552,957.80x = 127,409,987,138.84
  5. Step 5: Solve for x
    x = 127,409,987,138.84/552,957.80
  6. Step 6: Final answer
    x = 230,415.39

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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.