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Finding the Fourth Proportional to 588,637.17, 812,474.64 and 347,080.68

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Solution

The fourth proportional to 588,637.17, 812,474.64 and 347,080.68 is: 479,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,637.17 : 812,474.64 = 347,080.68 : x
  2. Step 2: Convert to fraction form
    588,637.17/812,474.64 = 347,080.68/x
  3. Step 3: Cross multiply
    588,637.17x = 812,474.64 × 347,080.68
  4. Step 4: Simplify right side
    588,637.17x = 281,994,250,533.96
  5. Step 5: Solve for x
    x = 281,994,250,533.96/588,637.17
  6. Step 6: Final answer
    x = 479,062.94

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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.