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Finding the Fourth Proportional to 490,465.40, 735,525.30 and 174,932.60

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Solution

The fourth proportional to 490,465.40, 735,525.30 and 174,932.60 is: 262,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,465.40 : 735,525.30 = 174,932.60 : x
  2. Step 2: Convert to fraction form
    490,465.40/735,525.30 = 174,932.60/x
  3. Step 3: Cross multiply
    490,465.40x = 735,525.30 × 174,932.60
  4. Step 4: Simplify right side
    490,465.40x = 128,667,353,094.78
  5. Step 5: Solve for x
    x = 128,667,353,094.78/490,465.40
  6. Step 6: Final answer
    x = 262,337.27

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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.