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Finding the Fourth Proportional to 569,926.32, 786,475.08 and 328,218

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Solution

The fourth proportional to 569,926.32, 786,475.08 and 328,218 is: 452,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,926.32 : 786,475.08 = 328,218 : x
  2. Step 2: Convert to fraction form
    569,926.32/786,475.08 = 328,218/x
  3. Step 3: Cross multiply
    569,926.32x = 786,475.08 × 328,218
  4. Step 4: Simplify right side
    569,926.32x = 258,135,277,807.44
  5. Step 5: Solve for x
    x = 258,135,277,807.44/569,926.32
  6. Step 6: Final answer
    x = 452,927.46

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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.