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Finding the Fourth Proportional to 572,708.36, 790,732.92 and 357,944.96

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Solution

The fourth proportional to 572,708.36, 790,732.92 and 357,944.96 is: 494,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,708.36 : 790,732.92 = 357,944.96 : x
  2. Step 2: Convert to fraction form
    572,708.36/790,732.92 = 357,944.96/x
  3. Step 3: Cross multiply
    572,708.36x = 790,732.92 × 357,944.96
  4. Step 4: Simplify right side
    572,708.36x = 283,038,863,420.08
  5. Step 5: Solve for x
    x = 283,038,863,420.08/572,708.36
  6. Step 6: Final answer
    x = 494,211.16

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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.