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Finding the Fourth Proportional to 481,208.47, 663,998.18 and 266,348.02

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Solution

The fourth proportional to 481,208.47, 663,998.18 and 266,348.02 is: 367,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,208.47 : 663,998.18 = 266,348.02 : x
  2. Step 2: Convert to fraction form
    481,208.47/663,998.18 = 266,348.02/x
  3. Step 3: Cross multiply
    481,208.47x = 663,998.18 × 266,348.02
  4. Step 4: Simplify right side
    481,208.47x = 176,854,602,894.67
  5. Step 5: Solve for x
    x = 176,854,602,894.67/481,208.47
  6. Step 6: Final answer
    x = 367,521.80

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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.