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Finding the Fourth Proportional to 576,302.34, 864,441.43 and 192,079.01

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Solution

The fourth proportional to 576,302.34, 864,441.43 and 192,079.01 is: 288,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,302.34 : 864,441.43 = 192,079.01 : x
  2. Step 2: Convert to fraction form
    576,302.34/864,441.43 = 192,079.01/x
  3. Step 3: Cross multiply
    576,302.34x = 864,441.43 × 192,079.01
  4. Step 4: Simplify right side
    576,302.34x = 166,041,056,478.59
  5. Step 5: Solve for x
    x = 166,041,056,478.59/576,302.34
  6. Step 6: Final answer
    x = 288,114.49

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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.