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Finding the Fourth Proportional to 572,682.33, 790,697.03 and 357,918.93

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Solution

The fourth proportional to 572,682.33, 790,697.03 and 357,918.93 is: 494,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,682.33 : 790,697.03 = 357,918.93 : x
  2. Step 2: Convert to fraction form
    572,682.33/790,697.03 = 357,918.93/x
  3. Step 3: Cross multiply
    572,682.33x = 790,697.03 × 357,918.93
  4. Step 4: Simplify right side
    572,682.33x = 283,005,433,142.18
  5. Step 5: Solve for x
    x = 283,005,433,142.18/572,682.33
  6. Step 6: Final answer
    x = 494,175.25

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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.