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Finding the Fourth Proportional to 431,462.75, 595,438.97 and 240,477.53

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Solution

The fourth proportional to 431,462.75, 595,438.97 and 240,477.53 is: 331,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,462.75 : 595,438.97 = 240,477.53 : x
  2. Step 2: Convert to fraction form
    431,462.75/595,438.97 = 240,477.53/x
  3. Step 3: Cross multiply
    431,462.75x = 595,438.97 × 240,477.53
  4. Step 4: Simplify right side
    431,462.75x = 143,189,688,591.76
  5. Step 5: Solve for x
    x = 143,189,688,591.76/431,462.75
  6. Step 6: Final answer
    x = 331,870.34

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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.