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Finding the Fourth Proportional to 469,021.60, 702,495.60 and 363,008.80

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Solution

The fourth proportional to 469,021.60, 702,495.60 and 363,008.80 is: 543,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,021.60 : 702,495.60 = 363,008.80 : x
  2. Step 2: Convert to fraction form
    469,021.60/702,495.60 = 363,008.80/x
  3. Step 3: Cross multiply
    469,021.60x = 702,495.60 × 363,008.80
  4. Step 4: Simplify right side
    469,021.60x = 255,012,084,761.28
  5. Step 5: Solve for x
    x = 255,012,084,761.28/469,021.60
  6. Step 6: Final answer
    x = 543,710.75

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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.