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Finding the Fourth Proportional to 302,666.46, 417,479.66 and 189,292.38

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Solution

The fourth proportional to 302,666.46, 417,479.66 and 189,292.38 is: 261,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,666.46 : 417,479.66 = 189,292.38 : x
  2. Step 2: Convert to fraction form
    302,666.46/417,479.66 = 189,292.38/x
  3. Step 3: Cross multiply
    302,666.46x = 417,479.66 × 189,292.38
  4. Step 4: Simplify right side
    302,666.46x = 79,025,718,442.99
  5. Step 5: Solve for x
    x = 79,025,718,442.99/302,666.46
  6. Step 6: Final answer
    x = 261,098.37

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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.