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Finding the Fourth Proportional to 319,100.68, 440,350.28 and 175,860.68

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Solution

The fourth proportional to 319,100.68, 440,350.28 and 175,860.68 is: 242,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,100.68 : 440,350.28 = 175,860.68 : x
  2. Step 2: Convert to fraction form
    319,100.68/440,350.28 = 175,860.68/x
  3. Step 3: Cross multiply
    319,100.68x = 440,350.28 × 175,860.68
  4. Step 4: Simplify right side
    319,100.68x = 77,440,299,678.99
  5. Step 5: Solve for x
    x = 77,440,299,678.99/319,100.68
  6. Step 6: Final answer
    x = 242,682.97

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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.