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Finding the Fourth Proportional to 546,076.60, 818,896.20 and 190,907.80

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Solution

The fourth proportional to 546,076.60, 818,896.20 and 190,907.80 is: 286,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,076.60 : 818,896.20 = 190,907.80 : x
  2. Step 2: Convert to fraction form
    546,076.60/818,896.20 = 190,907.80/x
  3. Step 3: Cross multiply
    546,076.60x = 818,896.20 × 190,907.80
  4. Step 4: Simplify right side
    546,076.60x = 156,333,671,970.36
  5. Step 5: Solve for x
    x = 156,333,671,970.36/546,076.60
  6. Step 6: Final answer
    x = 286,285.24

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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.