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Finding the Fourth Proportional to 545,535.54, 818,284.19 and 166,440.96

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Solution

The fourth proportional to 545,535.54, 818,284.19 and 166,440.96 is: 249,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,535.54 : 818,284.19 = 166,440.96 : x
  2. Step 2: Convert to fraction form
    545,535.54/818,284.19 = 166,440.96/x
  3. Step 3: Cross multiply
    545,535.54x = 818,284.19 × 166,440.96
  4. Step 4: Simplify right side
    545,535.54x = 136,196,005,304.22
  5. Step 5: Solve for x
    x = 136,196,005,304.22/545,535.54
  6. Step 6: Final answer
    x = 249,655.61

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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.