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Finding the Fourth Proportional to 492,635.52, 679,836.58 and 266,281.02

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Solution

The fourth proportional to 492,635.52, 679,836.58 and 266,281.02 is: 367,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,635.52 : 679,836.58 = 266,281.02 : x
  2. Step 2: Convert to fraction form
    492,635.52/679,836.58 = 266,281.02/x
  3. Step 3: Cross multiply
    492,635.52x = 679,836.58 × 266,281.02
  4. Step 4: Simplify right side
    492,635.52x = 181,027,577,290.01
  5. Step 5: Solve for x
    x = 181,027,577,290.01/492,635.52
  6. Step 6: Final answer
    x = 367,467.57

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Why These Related Problems?

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