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Finding the Fourth Proportional to 302,787, 417,846.24 and 168,651

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Solution

The fourth proportional to 302,787, 417,846.24 and 168,651 is: 232,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,787 : 417,846.24 = 168,651 : x
  2. Step 2: Convert to fraction form
    302,787/417,846.24 = 168,651/x
  3. Step 3: Cross multiply
    302,787x = 417,846.24 × 168,651
  4. Step 4: Simplify right side
    302,787x = 70,470,186,222.24
  5. Step 5: Solve for x
    x = 70,470,186,222.24/302,787
  6. Step 6: Final answer
    x = 232,738.48

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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.