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Finding the Fourth Proportional to 344,043.40, 474,803.22 and 259,025.80

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Solution

The fourth proportional to 344,043.40, 474,803.22 and 259,025.80 is: 357,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,043.40 : 474,803.22 = 259,025.80 : x
  2. Step 2: Convert to fraction form
    344,043.40/474,803.22 = 259,025.80/x
  3. Step 3: Cross multiply
    344,043.40x = 474,803.22 × 259,025.80
  4. Step 4: Simplify right side
    344,043.40x = 122,986,283,903.08
  5. Step 5: Solve for x
    x = 122,986,283,903.08/344,043.40
  6. Step 6: Final answer
    x = 357,473.17

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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.