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Finding the Fourth Proportional to 317,741.88, 476,671.50 and 104,521.80

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Solution

The fourth proportional to 317,741.88, 476,671.50 and 104,521.80 is: 156,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,741.88 : 476,671.50 = 104,521.80 : x
  2. Step 2: Convert to fraction form
    317,741.88/476,671.50 = 104,521.80/x
  3. Step 3: Cross multiply
    317,741.88x = 476,671.50 × 104,521.80
  4. Step 4: Simplify right side
    317,741.88x = 49,822,563,188.70
  5. Step 5: Solve for x
    x = 49,822,563,188.70/317,741.88
  6. Step 6: Final answer
    x = 156,802.00

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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.