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Finding the Fourth Proportional to 436,494.64, 654,740.16 and 120,950.64

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Solution

The fourth proportional to 436,494.64, 654,740.16 and 120,950.64 is: 181,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,494.64 : 654,740.16 = 120,950.64 : x
  2. Step 2: Convert to fraction form
    436,494.64/654,740.16 = 120,950.64/x
  3. Step 3: Cross multiply
    436,494.64x = 654,740.16 × 120,950.64
  4. Step 4: Simplify right side
    436,494.64x = 79,191,241,385.70
  5. Step 5: Solve for x
    x = 79,191,241,385.70/436,494.64
  6. Step 6: Final answer
    x = 181,425.46

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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.