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Finding the Fourth Proportional to 307,777.60, 461,666.40 and 241,422.40

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Solution

The fourth proportional to 307,777.60, 461,666.40 and 241,422.40 is: 362,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,777.60 : 461,666.40 = 241,422.40 : x
  2. Step 2: Convert to fraction form
    307,777.60/461,666.40 = 241,422.40/x
  3. Step 3: Cross multiply
    307,777.60x = 461,666.40 × 241,422.40
  4. Step 4: Simplify right side
    307,777.60x = 111,456,610,287.36
  5. Step 5: Solve for x
    x = 111,456,610,287.36/307,777.60
  6. Step 6: Final answer
    x = 362,133.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.