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Finding the Fourth Proportional to 563,521.72, 777,739.70 and 348,730.96

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Solution

The fourth proportional to 563,521.72, 777,739.70 and 348,730.96 is: 481,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,521.72 : 777,739.70 = 348,730.96 : x
  2. Step 2: Convert to fraction form
    563,521.72/777,739.70 = 348,730.96/x
  3. Step 3: Cross multiply
    563,521.72x = 777,739.70 × 348,730.96
  4. Step 4: Simplify right side
    563,521.72x = 271,221,912,211.11
  5. Step 5: Solve for x
    x = 271,221,912,211.11/563,521.72
  6. Step 6: Final answer
    x = 481,298.06

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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.