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Finding the Fourth Proportional to 523,661.69, 785,554.03 and 186,750.23

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Solution

The fourth proportional to 523,661.69, 785,554.03 and 186,750.23 is: 280,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,661.69 : 785,554.03 = 186,750.23 : x
  2. Step 2: Convert to fraction form
    523,661.69/785,554.03 = 186,750.23/x
  3. Step 3: Cross multiply
    523,661.69x = 785,554.03 × 186,750.23
  4. Step 4: Simplify right side
    523,661.69x = 146,702,395,779.93
  5. Step 5: Solve for x
    x = 146,702,395,779.93/523,661.69
  6. Step 6: Final answer
    x = 280,147.28

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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.