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Finding the Fourth Proportional to 528,562.36, 792,845.40 and 154,585.36

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Solution

The fourth proportional to 528,562.36, 792,845.40 and 154,585.36 is: 231,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,562.36 : 792,845.40 = 154,585.36 : x
  2. Step 2: Convert to fraction form
    528,562.36/792,845.40 = 154,585.36/x
  3. Step 3: Cross multiply
    528,562.36x = 792,845.40 × 154,585.36
  4. Step 4: Simplify right side
    528,562.36x = 122,562,291,583.34
  5. Step 5: Solve for x
    x = 122,562,291,583.34/528,562.36
  6. Step 6: Final answer
    x = 231,878.58

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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.