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Finding the Fourth Proportional to 544,189.55, 816,291.16 and 144,827.86

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Solution

The fourth proportional to 544,189.55, 816,291.16 and 144,827.86 is: 217,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,189.55 : 816,291.16 = 144,827.86 : x
  2. Step 2: Convert to fraction form
    544,189.55/816,291.16 = 144,827.86/x
  3. Step 3: Cross multiply
    544,189.55x = 816,291.16 × 144,827.86
  4. Step 4: Simplify right side
    544,189.55x = 118,221,701,839.72
  5. Step 5: Solve for x
    x = 118,221,701,839.72/544,189.55
  6. Step 6: Final answer
    x = 217,243.61

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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.