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Finding the Fourth Proportional to 532,855.89, 735,332.43 and 291,133.26

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Solution

The fourth proportional to 532,855.89, 735,332.43 and 291,133.26 is: 401,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,855.89 : 735,332.43 = 291,133.26 : x
  2. Step 2: Convert to fraction form
    532,855.89/735,332.43 = 291,133.26/x
  3. Step 3: Cross multiply
    532,855.89x = 735,332.43 × 291,133.26
  4. Step 4: Simplify right side
    532,855.89x = 214,079,727,529.62
  5. Step 5: Solve for x
    x = 214,079,727,529.62/532,855.89
  6. Step 6: Final answer
    x = 401,759.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.