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Finding the Fourth Proportional to 532,918.92, 735,405.22 and 291,197.64

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Solution

The fourth proportional to 532,918.92, 735,405.22 and 291,197.64 is: 401,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,918.92 : 735,405.22 = 291,197.64 : x
  2. Step 2: Convert to fraction form
    532,918.92/735,405.22 = 291,197.64/x
  3. Step 3: Cross multiply
    532,918.92x = 735,405.22 × 291,197.64
  4. Step 4: Simplify right side
    532,918.92x = 214,148,264,507.68
  5. Step 5: Solve for x
    x = 214,148,264,507.68/532,918.92
  6. Step 6: Final answer
    x = 401,840.24

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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.