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Finding the Fourth Proportional to 572,297.94, 858,627.32 and 359,214.06

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Solution

The fourth proportional to 572,297.94, 858,627.32 and 359,214.06 is: 538,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,297.94 : 858,627.32 = 359,214.06 : x
  2. Step 2: Convert to fraction form
    572,297.94/858,627.32 = 359,214.06/x
  3. Step 3: Cross multiply
    572,297.94x = 858,627.32 × 359,214.06
  4. Step 4: Simplify right side
    572,297.94x = 308,431,005,644.12
  5. Step 5: Solve for x
    x = 308,431,005,644.12/572,297.94
  6. Step 6: Final answer
    x = 538,934.33

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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.