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Finding the Fourth Proportional to 349,398.45, 523,563.08 and 235,123.07

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Solution

The fourth proportional to 349,398.45, 523,563.08 and 235,123.07 is: 352,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,398.45 : 523,563.08 = 235,123.07 : x
  2. Step 2: Convert to fraction form
    349,398.45/523,563.08 = 235,123.07/x
  3. Step 3: Cross multiply
    349,398.45x = 523,563.08 × 235,123.07
  4. Step 4: Simplify right side
    349,398.45x = 123,101,754,914.83
  5. Step 5: Solve for x
    x = 123,101,754,914.83/349,398.45
  6. Step 6: Final answer
    x = 352,324.85

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1.5x scale

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.