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Finding the Fourth Proportional to 354,702.48, 531,848.92 and 242,518.56

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Solution

The fourth proportional to 354,702.48, 531,848.92 and 242,518.56 is: 363,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,702.48 : 531,848.92 = 242,518.56 : x
  2. Step 2: Convert to fraction form
    354,702.48/531,848.92 = 242,518.56/x
  3. Step 3: Cross multiply
    354,702.48x = 531,848.92 × 242,518.56
  4. Step 4: Simplify right side
    354,702.48x = 128,983,234,215.96
  5. Step 5: Solve for x
    x = 128,983,234,215.96/354,702.48
  6. Step 6: Final answer
    x = 363,637.81

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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.