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Finding the Fourth Proportional to 624,382.12, 936,575.58 and 151,066.72

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Solution

The fourth proportional to 624,382.12, 936,575.58 and 151,066.72 is: 226,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,382.12 : 936,575.58 = 151,066.72 : x
  2. Step 2: Convert to fraction form
    624,382.12/936,575.58 = 151,066.72/x
  3. Step 3: Cross multiply
    624,382.12x = 936,575.58 × 151,066.72
  4. Step 4: Simplify right side
    624,382.12x = 141,485,400,902.70
  5. Step 5: Solve for x
    x = 141,485,400,902.70/624,382.12
  6. Step 6: Final answer
    x = 226,600.66

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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.