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Finding the Fourth Proportional to 383,453.80, 575,763.90 and 294,807.40

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Solution

The fourth proportional to 383,453.80, 575,763.90 and 294,807.40 is: 442,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,453.80 : 575,763.90 = 294,807.40 : x
  2. Step 2: Convert to fraction form
    383,453.80/575,763.90 = 294,807.40/x
  3. Step 3: Cross multiply
    383,453.80x = 575,763.90 × 294,807.40
  4. Step 4: Simplify right side
    383,453.80x = 169,739,458,372.86
  5. Step 5: Solve for x
    x = 169,739,458,372.86/383,453.80
  6. Step 6: Final answer
    x = 442,659.48

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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.