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Finding the Fourth Proportional to 616,808.64, 850,935.24 and 412,925.22

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Solution

The fourth proportional to 616,808.64, 850,935.24 and 412,925.22 is: 569,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,808.64 : 850,935.24 = 412,925.22 : x
  2. Step 2: Convert to fraction form
    616,808.64/850,935.24 = 412,925.22/x
  3. Step 3: Cross multiply
    616,808.64x = 850,935.24 × 412,925.22
  4. Step 4: Simplify right side
    616,808.64x = 351,372,621,182.75
  5. Step 5: Solve for x
    x = 351,372,621,182.75/616,808.64
  6. Step 6: Final answer
    x = 569,662.29

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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.