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Finding the Fourth Proportional to 319,707.84, 441,196.83 and 176,467.92

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Solution

The fourth proportional to 319,707.84, 441,196.83 and 176,467.92 is: 243,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.84 : 441,196.83 = 176,467.92 : x
  2. Step 2: Convert to fraction form
    319,707.84/441,196.83 = 176,467.92/x
  3. Step 3: Cross multiply
    319,707.84x = 441,196.83 × 176,467.92
  4. Step 4: Simplify right side
    319,707.84x = 77,857,086,900.69
  5. Step 5: Solve for x
    x = 77,857,086,900.69/319,707.84
  6. Step 6: Final answer
    x = 243,525.74

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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.