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Finding the Fourth Proportional to 504,312.79, 756,587.46 and 200,725.32

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Solution

The fourth proportional to 504,312.79, 756,587.46 and 200,725.32 is: 301,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,312.79 : 756,587.46 = 200,725.32 : x
  2. Step 2: Convert to fraction form
    504,312.79/756,587.46 = 200,725.32/x
  3. Step 3: Cross multiply
    504,312.79x = 756,587.46 × 200,725.32
  4. Step 4: Simplify right side
    504,312.79x = 151,866,259,012.86
  5. Step 5: Solve for x
    x = 151,866,259,012.86/504,312.79
  6. Step 6: Final answer
    x = 301,135.06

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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.