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Finding the Fourth Proportional to 539,291.48, 808,937.58 and 223,663.64

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Solution

The fourth proportional to 539,291.48, 808,937.58 and 223,663.64 is: 335,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,291.48 : 808,937.58 = 223,663.64 : x
  2. Step 2: Convert to fraction form
    539,291.48/808,937.58 = 223,663.64/x
  3. Step 3: Cross multiply
    539,291.48x = 808,937.58 × 223,663.64
  4. Step 4: Simplify right side
    539,291.48x = 180,929,923,675.59
  5. Step 5: Solve for x
    x = 180,929,923,675.59/539,291.48
  6. Step 6: Final answer
    x = 335,495.61

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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.