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Finding the Fourth Proportional to 415,890.28, 574,075.65 and 246,124

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Solution

The fourth proportional to 415,890.28, 574,075.65 and 246,124 is: 339,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,890.28 : 574,075.65 = 246,124 : x
  2. Step 2: Convert to fraction form
    415,890.28/574,075.65 = 246,124/x
  3. Step 3: Cross multiply
    415,890.28x = 574,075.65 × 246,124
  4. Step 4: Simplify right side
    415,890.28x = 141,293,795,280.60
  5. Step 5: Solve for x
    x = 141,293,795,280.60/415,890.28
  6. Step 6: Final answer
    x = 339,738.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.