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Finding the Fourth Proportional to 539,131.60, 808,308.60 and 302,546.80

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Solution

The fourth proportional to 539,131.60, 808,308.60 and 302,546.80 is: 453,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,131.60 : 808,308.60 = 302,546.80 : x
  2. Step 2: Convert to fraction form
    539,131.60/808,308.60 = 302,546.80/x
  3. Step 3: Cross multiply
    539,131.60x = 808,308.60 × 302,546.80
  4. Step 4: Simplify right side
    539,131.60x = 244,551,180,342.48
  5. Step 5: Solve for x
    x = 244,551,180,342.48/539,131.60
  6. Step 6: Final answer
    x = 453,602.02

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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.