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Finding the Fourth Proportional to 384,504.48, 576,770.56 and 144,596.39

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Solution

The fourth proportional to 384,504.48, 576,770.56 and 144,596.39 is: 216,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,504.48 : 576,770.56 = 144,596.39 : x
  2. Step 2: Convert to fraction form
    384,504.48/576,770.56 = 144,596.39/x
  3. Step 3: Cross multiply
    384,504.48x = 576,770.56 × 144,596.39
  4. Step 4: Simplify right side
    384,504.48x = 83,398,937,588.93
  5. Step 5: Solve for x
    x = 83,398,937,588.93/384,504.48
  6. Step 6: Final answer
    x = 216,899.78

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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.