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Finding the Fourth Proportional to 349,668.80, 524,897.40 and 231,570.80

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Solution

The fourth proportional to 349,668.80, 524,897.40 and 231,570.80 is: 347,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,668.80 : 524,897.40 = 231,570.80 : x
  2. Step 2: Convert to fraction form
    349,668.80/524,897.40 = 231,570.80/x
  3. Step 3: Cross multiply
    349,668.80x = 524,897.40 × 231,570.80
  4. Step 4: Simplify right side
    349,668.80x = 121,550,910,835.92
  5. Step 5: Solve for x
    x = 121,550,910,835.92/349,668.80
  6. Step 6: Final answer
    x = 347,617.26

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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.