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Finding the Fourth Proportional to 545,448.33, 818,219.16 and 166,454.33

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Solution

The fourth proportional to 545,448.33, 818,219.16 and 166,454.33 is: 249,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,448.33 : 818,219.16 = 166,454.33 : x
  2. Step 2: Convert to fraction form
    545,448.33/818,219.16 = 166,454.33/x
  3. Step 3: Cross multiply
    545,448.33x = 818,219.16 × 166,454.33
  4. Step 4: Simplify right side
    545,448.33x = 136,196,117,979.87
  5. Step 5: Solve for x
    x = 136,196,117,979.87/545,448.33
  6. Step 6: Final answer
    x = 249,695.73

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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.