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Finding the Fourth Proportional to 587,806.92, 809,733.78 and 426,187.08

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Solution

The fourth proportional to 587,806.92, 809,733.78 and 426,187.08 is: 587,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,806.92 : 809,733.78 = 426,187.08 : x
  2. Step 2: Convert to fraction form
    587,806.92/809,733.78 = 426,187.08/x
  3. Step 3: Cross multiply
    587,806.92x = 809,733.78 × 426,187.08
  4. Step 4: Simplify right side
    587,806.92x = 345,098,075,275.56
  5. Step 5: Solve for x
    x = 345,098,075,275.56/587,806.92
  6. Step 6: Final answer
    x = 587,094.27

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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.