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Finding the Fourth Proportional to 581,666.26, 872,498.07 and 277,136.03

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Solution

The fourth proportional to 581,666.26, 872,498.07 and 277,136.03 is: 415,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,666.26 : 872,498.07 = 277,136.03 : x
  2. Step 2: Convert to fraction form
    581,666.26/872,498.07 = 277,136.03/x
  3. Step 3: Cross multiply
    581,666.26x = 872,498.07 × 277,136.03
  4. Step 4: Simplify right side
    581,666.26x = 241,800,646,939.97
  5. Step 5: Solve for x
    x = 241,800,646,939.97/581,666.26
  6. Step 6: Final answer
    x = 415,703.41

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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.