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Finding the Fourth Proportional to 481,262.45, 664,113.65 and 266,389.70

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Solution

The fourth proportional to 481,262.45, 664,113.65 and 266,389.70 is: 367,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,262.45 : 664,113.65 = 266,389.70 : x
  2. Step 2: Convert to fraction form
    481,262.45/664,113.65 = 266,389.70/x
  3. Step 3: Cross multiply
    481,262.45x = 664,113.65 × 266,389.70
  4. Step 4: Simplify right side
    481,262.45x = 176,913,038,315.66
  5. Step 5: Solve for x
    x = 176,913,038,315.66/481,262.45
  6. Step 6: Final answer
    x = 367,602.00

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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.