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Finding the Fourth Proportional to 546,475.80, 818,838.90 and 359,268.60

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Solution

The fourth proportional to 546,475.80, 818,838.90 and 359,268.60 is: 538,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,475.80 : 818,838.90 = 359,268.60 : x
  2. Step 2: Convert to fraction form
    546,475.80/818,838.90 = 359,268.60/x
  3. Step 3: Cross multiply
    546,475.80x = 818,838.90 × 359,268.60
  4. Step 4: Simplify right side
    546,475.80x = 294,183,105,228.54
  5. Step 5: Solve for x
    x = 294,183,105,228.54/546,475.80
  6. Step 6: Final answer
    x = 538,327.78

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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.