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Finding the Fourth Proportional to 543,973.23, 815,958.81 and 144,613.94

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Solution

The fourth proportional to 543,973.23, 815,958.81 and 144,613.94 is: 216,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,973.23 : 815,958.81 = 144,613.94 : x
  2. Step 2: Convert to fraction form
    543,973.23/815,958.81 = 144,613.94/x
  3. Step 3: Cross multiply
    543,973.23x = 815,958.81 × 144,613.94
  4. Step 4: Simplify right side
    543,973.23x = 117,999,014,312.02
  5. Step 5: Solve for x
    x = 117,999,014,312.02/543,973.23
  6. Step 6: Final answer
    x = 216,920.63

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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.