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Finding the Fourth Proportional to 346,775.50, 478,589.13 and 195,882.22

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Solution

The fourth proportional to 346,775.50, 478,589.13 and 195,882.22 is: 270,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,775.50 : 478,589.13 = 195,882.22 : x
  2. Step 2: Convert to fraction form
    346,775.50/478,589.13 = 195,882.22/x
  3. Step 3: Cross multiply
    346,775.50x = 478,589.13 × 195,882.22
  4. Step 4: Simplify right side
    346,775.50x = 93,747,101,252.27
  5. Step 5: Solve for x
    x = 93,747,101,252.27/346,775.50
  6. Step 6: Final answer
    x = 270,339.46

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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.