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Finding the Fourth Proportional to 415,347.64, 622,607.38 and 175,522.03

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Solution

The fourth proportional to 415,347.64, 622,607.38 and 175,522.03 is: 263,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,347.64 : 622,607.38 = 175,522.03 : x
  2. Step 2: Convert to fraction form
    415,347.64/622,607.38 = 175,522.03/x
  3. Step 3: Cross multiply
    415,347.64x = 622,607.38 × 175,522.03
  4. Step 4: Simplify right side
    415,347.64x = 109,281,311,230.58
  5. Step 5: Solve for x
    x = 109,281,311,230.58/415,347.64
  6. Step 6: Final answer
    x = 263,108.06

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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.