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Finding the Fourth Proportional to 317,242, 437,832.84 and 183,106

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Solution

The fourth proportional to 317,242, 437,832.84 and 183,106 is: 252,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,242 : 437,832.84 = 183,106 : x
  2. Step 2: Convert to fraction form
    317,242/437,832.84 = 183,106/x
  3. Step 3: Cross multiply
    317,242x = 437,832.84 × 183,106
  4. Step 4: Simplify right side
    317,242x = 80,169,820,001.04
  5. Step 5: Solve for x
    x = 80,169,820,001.04/317,242
  6. Step 6: Final answer
    x = 252,708.72

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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.