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Finding the Fourth Proportional to 480,918.48, 663,610.16 and 266,029.44

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Solution

The fourth proportional to 480,918.48, 663,610.16 and 266,029.44 is: 367,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,918.48 : 663,610.16 = 266,029.44 : x
  2. Step 2: Convert to fraction form
    480,918.48/663,610.16 = 266,029.44/x
  3. Step 3: Cross multiply
    480,918.48x = 663,610.16 × 266,029.44
  4. Step 4: Simplify right side
    480,918.48x = 176,539,839,243.11
  5. Step 5: Solve for x
    x = 176,539,839,243.11/480,918.48
  6. Step 6: Final answer
    x = 367,088.91

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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.