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Finding the Fourth Proportional to 545,152.26, 817,735.66 and 171,175.26

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Solution

The fourth proportional to 545,152.26, 817,735.66 and 171,175.26 is: 256,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,152.26 : 817,735.66 = 171,175.26 : x
  2. Step 2: Convert to fraction form
    545,152.26/817,735.66 = 171,175.26/x
  3. Step 3: Cross multiply
    545,152.26x = 817,735.66 × 171,175.26
  4. Step 4: Simplify right side
    545,152.26x = 139,976,114,211.77
  5. Step 5: Solve for x
    x = 139,976,114,211.77/545,152.26
  6. Step 6: Final answer
    x = 256,765.17

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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.