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Finding the Fourth Proportional to 413,331.40, 619,406.70 and 235,462.60

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Solution

The fourth proportional to 413,331.40, 619,406.70 and 235,462.60 is: 352,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,331.40 : 619,406.70 = 235,462.60 : x
  2. Step 2: Convert to fraction form
    413,331.40/619,406.70 = 235,462.60/x
  3. Step 3: Cross multiply
    413,331.40x = 619,406.70 × 235,462.60
  4. Step 4: Simplify right side
    413,331.40x = 145,847,112,039.42
  5. Step 5: Solve for x
    x = 145,847,112,039.42/413,331.40
  6. Step 6: Final answer
    x = 352,857.57

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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.