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Finding the Fourth Proportional to 354,883.40, 490,273.26 and 232,666.16

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Solution

The fourth proportional to 354,883.40, 490,273.26 and 232,666.16 is: 321,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,883.40 : 490,273.26 = 232,666.16 : x
  2. Step 2: Convert to fraction form
    354,883.40/490,273.26 = 232,666.16/x
  3. Step 3: Cross multiply
    354,883.40x = 490,273.26 × 232,666.16
  4. Step 4: Simplify right side
    354,883.40x = 114,069,996,754.88
  5. Step 5: Solve for x
    x = 114,069,996,754.88/354,883.40
  6. Step 6: Final answer
    x = 321,429.51

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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.