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Finding the Fourth Proportional to 302,465.60, 453,698.40 and 231,606.80

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Solution

The fourth proportional to 302,465.60, 453,698.40 and 231,606.80 is: 347,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,465.60 : 453,698.40 = 231,606.80 : x
  2. Step 2: Convert to fraction form
    302,465.60/453,698.40 = 231,606.80/x
  3. Step 3: Cross multiply
    302,465.60x = 453,698.40 × 231,606.80
  4. Step 4: Simplify right side
    302,465.60x = 105,079,634,589.12
  5. Step 5: Solve for x
    x = 105,079,634,589.12/302,465.60
  6. Step 6: Final answer
    x = 347,410.20

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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.