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Finding the Fourth Proportional to 317,068.22, 437,570.91 and 173,834.30

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Solution

The fourth proportional to 317,068.22, 437,570.91 and 173,834.30 is: 239,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,068.22 : 437,570.91 = 173,834.30 : x
  2. Step 2: Convert to fraction form
    317,068.22/437,570.91 = 173,834.30/x
  3. Step 3: Cross multiply
    317,068.22x = 437,570.91 × 173,834.30
  4. Step 4: Simplify right side
    317,068.22x = 76,064,830,652.36
  5. Step 5: Solve for x
    x = 76,064,830,652.36/317,068.22
  6. Step 6: Final answer
    x = 239,900.52

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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.