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Finding the Fourth Proportional to 545,451.86, 818,225.07 and 166,457.92

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Solution

The fourth proportional to 545,451.86, 818,225.07 and 166,457.92 is: 249,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,451.86 : 818,225.07 = 166,457.92 : x
  2. Step 2: Convert to fraction form
    545,451.86/818,225.07 = 166,457.92/x
  3. Step 3: Cross multiply
    545,451.86x = 818,225.07 × 166,457.92
  4. Step 4: Simplify right side
    545,451.86x = 136,200,043,244.05
  5. Step 5: Solve for x
    x = 136,200,043,244.05/545,451.86
  6. Step 6: Final answer
    x = 249,701.31

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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.