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Finding the Fourth Proportional to 465,803.87, 642,834.65 and 259,094.10

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Solution

The fourth proportional to 465,803.87, 642,834.65 and 259,094.10 is: 357,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,803.87 : 642,834.65 = 259,094.10 : x
  2. Step 2: Convert to fraction form
    465,803.87/642,834.65 = 259,094.10/x
  3. Step 3: Cross multiply
    465,803.87x = 642,834.65 × 259,094.10
  4. Step 4: Simplify right side
    465,803.87x = 166,554,665,738.30
  5. Step 5: Solve for x
    x = 166,554,665,738.30/465,803.87
  6. Step 6: Final answer
    x = 357,563.94

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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.