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Finding the Fourth Proportional to 536,091.54, 802,127.39 and 319,156.79

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Solution

The fourth proportional to 536,091.54, 802,127.39 and 319,156.79 is: 477,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,091.54 : 802,127.39 = 319,156.79 : x
  2. Step 2: Convert to fraction form
    536,091.54/802,127.39 = 319,156.79/x
  3. Step 3: Cross multiply
    536,091.54x = 802,127.39 × 319,156.79
  4. Step 4: Simplify right side
    536,091.54x = 256,004,399,750.73
  5. Step 5: Solve for x
    x = 256,004,399,750.73/536,091.54
  6. Step 6: Final answer
    x = 477,538.59

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1.5x scale

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.