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Finding the Fourth Proportional to 426,900.73, 589,072.84 and 235,902.73

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Solution

The fourth proportional to 426,900.73, 589,072.84 and 235,902.73 is: 325,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,900.73 : 589,072.84 = 235,902.73 : x
  2. Step 2: Convert to fraction form
    426,900.73/589,072.84 = 235,902.73/x
  3. Step 3: Cross multiply
    426,900.73x = 589,072.84 × 235,902.73
  4. Step 4: Simplify right side
    426,900.73x = 138,963,891,124.85
  5. Step 5: Solve for x
    x = 138,963,891,124.85/426,900.73
  6. Step 6: Final answer
    x = 325,518.05

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1.5x scale

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.