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Finding the Fourth Proportional to 405,352.65, 559,442.22 and 233,267.07

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Solution

The fourth proportional to 405,352.65, 559,442.22 and 233,267.07 is: 321,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,352.65 : 559,442.22 = 233,267.07 : x
  2. Step 2: Convert to fraction form
    405,352.65/559,442.22 = 233,267.07/x
  3. Step 3: Cross multiply
    405,352.65x = 559,442.22 × 233,267.07
  4. Step 4: Simplify right side
    405,352.65x = 130,499,447,493.70
  5. Step 5: Solve for x
    x = 130,499,447,493.70/405,352.65
  6. Step 6: Final answer
    x = 321,940.53

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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.