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Finding the Fourth Proportional to 563,538.64, 777,763.11 and 348,748.06

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Solution

The fourth proportional to 563,538.64, 777,763.11 and 348,748.06 is: 481,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,538.64 : 777,763.11 = 348,748.06 : x
  2. Step 2: Convert to fraction form
    563,538.64/777,763.11 = 348,748.06/x
  3. Step 3: Cross multiply
    563,538.64x = 777,763.11 × 348,748.06
  4. Step 4: Simplify right side
    563,538.64x = 271,243,375,752.07
  5. Step 5: Solve for x
    x = 271,243,375,752.07/563,538.64
  6. Step 6: Final answer
    x = 481,321.70

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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.