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Finding the Fourth Proportional to 319,092.65, 440,347.86 and 175,852.69

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Solution

The fourth proportional to 319,092.65, 440,347.86 and 175,852.69 is: 242,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,092.65 : 440,347.86 = 175,852.69 : x
  2. Step 2: Convert to fraction form
    319,092.65/440,347.86 = 175,852.69/x
  3. Step 3: Cross multiply
    319,092.65x = 440,347.86 × 175,852.69
  4. Step 4: Simplify right side
    319,092.65x = 77,436,355,716.74
  5. Step 5: Solve for x
    x = 77,436,355,716.74/319,092.65
  6. Step 6: Final answer
    x = 242,676.71

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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.