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Finding the Fourth Proportional to 553,055.96, 829,599.78 and 153,725.96

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Solution

The fourth proportional to 553,055.96, 829,599.78 and 153,725.96 is: 230,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,055.96 : 829,599.78 = 153,725.96 : x
  2. Step 2: Convert to fraction form
    553,055.96/829,599.78 = 153,725.96/x
  3. Step 3: Cross multiply
    553,055.96x = 829,599.78 × 153,725.96
  4. Step 4: Simplify right side
    553,055.96x = 127,531,022,596.29
  5. Step 5: Solve for x
    x = 127,531,022,596.29/553,055.96
  6. Step 6: Final answer
    x = 230,593.34

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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.