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Finding the Fourth Proportional to 351,809.06, 527,714.06 and 247,095.50

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Solution

The fourth proportional to 351,809.06, 527,714.06 and 247,095.50 is: 370,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,809.06 : 527,714.06 = 247,095.50 : x
  2. Step 2: Convert to fraction form
    351,809.06/527,714.06 = 247,095.50/x
  3. Step 3: Cross multiply
    351,809.06x = 527,714.06 × 247,095.50
  4. Step 4: Simplify right side
    351,809.06x = 130,395,765,638.68
  5. Step 5: Solve for x
    x = 130,395,765,638.68/351,809.06
  6. Step 6: Final answer
    x = 370,643.57

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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.