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Finding the Fourth Proportional to 317,751.58, 476,626.96 and 81,094.26

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Solution

The fourth proportional to 317,751.58, 476,626.96 and 81,094.26 is: 121,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,751.58 : 476,626.96 = 81,094.26 : x
  2. Step 2: Convert to fraction form
    317,751.58/476,626.96 = 81,094.26/x
  3. Step 3: Cross multiply
    317,751.58x = 476,626.96 × 81,094.26
  4. Step 4: Simplify right side
    317,751.58x = 38,651,710,617.25
  5. Step 5: Solve for x
    x = 38,651,710,617.25/317,751.58
  6. Step 6: Final answer
    x = 121,641.29

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1.5x scale

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.