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Finding the Fourth Proportional to 545,339.04, 818,131.44 and 166,293.28

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Solution

The fourth proportional to 545,339.04, 818,131.44 and 166,293.28 is: 249,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,339.04 : 818,131.44 = 166,293.28 : x
  2. Step 2: Convert to fraction form
    545,339.04/818,131.44 = 166,293.28/x
  3. Step 3: Cross multiply
    545,339.04x = 818,131.44 × 166,293.28
  4. Step 4: Simplify right side
    545,339.04x = 136,049,760,628.72
  5. Step 5: Solve for x
    x = 136,049,760,628.72/545,339.04
  6. Step 6: Final answer
    x = 249,477.39

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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.