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Finding the Fourth Proportional to 481,191.51, 664,034.35 and 266,318.76

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Solution

The fourth proportional to 481,191.51, 664,034.35 and 266,318.76 is: 367,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,191.51 : 664,034.35 = 266,318.76 : x
  2. Step 2: Convert to fraction form
    481,191.51/664,034.35 = 266,318.76/x
  3. Step 3: Cross multiply
    481,191.51x = 664,034.35 × 266,318.76
  4. Step 4: Simplify right side
    481,191.51x = 176,844,804,689.41
  5. Step 5: Solve for x
    x = 176,844,804,689.41/481,191.51
  6. Step 6: Final answer
    x = 367,514.39

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1.5x scale

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.