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Finding the Fourth Proportional to 426,450.87, 588,255.49 and 275,547.87

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Solution

The fourth proportional to 426,450.87, 588,255.49 and 275,547.87 is: 380,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,450.87 : 588,255.49 = 275,547.87 : x
  2. Step 2: Convert to fraction form
    426,450.87/588,255.49 = 275,547.87/x
  3. Step 3: Cross multiply
    426,450.87x = 588,255.49 × 275,547.87
  4. Step 4: Simplify right side
    426,450.87x = 162,092,547,285.31
  5. Step 5: Solve for x
    x = 162,092,547,285.31/426,450.87
  6. Step 6: Final answer
    x = 380,096.65

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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.