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Finding the Fourth Proportional to 663,347.52, 994,710.24 and 242,328.96

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Solution

The fourth proportional to 663,347.52, 994,710.24 and 242,328.96 is: 363,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,347.52 : 994,710.24 = 242,328.96 : x
  2. Step 2: Convert to fraction form
    663,347.52/994,710.24 = 242,328.96/x
  3. Step 3: Cross multiply
    663,347.52x = 994,710.24 × 242,328.96
  4. Step 4: Simplify right side
    663,347.52x = 241,047,097,960.55
  5. Step 5: Solve for x
    x = 241,047,097,960.55/663,347.52
  6. Step 6: Final answer
    x = 363,379.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.