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Finding the Fourth Proportional to 302,616.41, 417,660.50 and 230,860.94

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Solution

The fourth proportional to 302,616.41, 417,660.50 and 230,860.94 is: 318,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,616.41 : 417,660.50 = 230,860.94 : x
  2. Step 2: Convert to fraction form
    302,616.41/417,660.50 = 230,860.94/x
  3. Step 3: Cross multiply
    302,616.41x = 417,660.50 × 230,860.94
  4. Step 4: Simplify right side
    302,616.41x = 96,421,494,119.72
  5. Step 5: Solve for x
    x = 96,421,494,119.72/302,616.41
  6. Step 6: Final answer
    x = 318,626.13

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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.