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Finding the Fourth Proportional to 539,213.61, 808,177 and 250,635.32

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Solution

The fourth proportional to 539,213.61, 808,177 and 250,635.32 is: 375,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,213.61 : 808,177 = 250,635.32 : x
  2. Step 2: Convert to fraction form
    539,213.61/808,177 = 250,635.32/x
  3. Step 3: Cross multiply
    539,213.61x = 808,177 × 250,635.32
  4. Step 4: Simplify right side
    539,213.61x = 202,557,701,011.64
  5. Step 5: Solve for x
    x = 202,557,701,011.64/539,213.61
  6. Step 6: Final answer
    x = 375,653.91

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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.