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Finding the Fourth Proportional to 438,666.03, 656,502.03 and 367,668.86

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Solution

The fourth proportional to 438,666.03, 656,502.03 and 367,668.86 is: 550,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,666.03 : 656,502.03 = 367,668.86 : x
  2. Step 2: Convert to fraction form
    438,666.03/656,502.03 = 367,668.86/x
  3. Step 3: Cross multiply
    438,666.03x = 656,502.03 × 367,668.86
  4. Step 4: Simplify right side
    438,666.03x = 241,375,349,675.28
  5. Step 5: Solve for x
    x = 241,375,349,675.28/438,666.03
  6. Step 6: Final answer
    x = 550,248.56

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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.