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Finding the Fourth Proportional to 319,203.65, 440,496.27 and 175,960.61

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Solution

The fourth proportional to 319,203.65, 440,496.27 and 175,960.61 is: 242,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,203.65 : 440,496.27 = 175,960.61 : x
  2. Step 2: Convert to fraction form
    319,203.65/440,496.27 = 175,960.61/x
  3. Step 3: Cross multiply
    319,203.65x = 440,496.27 × 175,960.61
  4. Step 4: Simplify right side
    319,203.65x = 77,509,992,371.92
  5. Step 5: Solve for x
    x = 77,509,992,371.92/319,203.65
  6. Step 6: Final answer
    x = 242,823.01

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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.