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Finding the Fourth Proportional to 480,874.66, 663,604.35 and 266,010.11

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Solution

The fourth proportional to 480,874.66, 663,604.35 and 266,010.11 is: 367,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,874.66 : 663,604.35 = 266,010.11 : x
  2. Step 2: Convert to fraction form
    480,874.66/663,604.35 = 266,010.11/x
  3. Step 3: Cross multiply
    480,874.66x = 663,604.35 × 266,010.11
  4. Step 4: Simplify right side
    480,874.66x = 176,525,464,312.94
  5. Step 5: Solve for x
    x = 176,525,464,312.94/480,874.66
  6. Step 6: Final answer
    x = 367,092.47

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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.