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Finding the Fourth Proportional to 306,034.33, 457,642.22 and 291,104.41

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Solution

The fourth proportional to 306,034.33, 457,642.22 and 291,104.41 is: 435,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,034.33 : 457,642.22 = 291,104.41 : x
  2. Step 2: Convert to fraction form
    306,034.33/457,642.22 = 291,104.41/x
  3. Step 3: Cross multiply
    306,034.33x = 457,642.22 × 291,104.41
  4. Step 4: Simplify right side
    306,034.33x = 133,221,666,988.67
  5. Step 5: Solve for x
    x = 133,221,666,988.67/306,034.33
  6. Step 6: Final answer
    x = 435,316.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.