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Finding the Fourth Proportional to 416,089.32, 623,759.32 and 149,662.56

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Solution

The fourth proportional to 416,089.32, 623,759.32 and 149,662.56 is: 224,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,089.32 : 623,759.32 = 149,662.56 : x
  2. Step 2: Convert to fraction form
    416,089.32/623,759.32 = 149,662.56/x
  3. Step 3: Cross multiply
    416,089.32x = 623,759.32 × 149,662.56
  4. Step 4: Simplify right side
    416,089.32x = 93,353,416,655.06
  5. Step 5: Solve for x
    x = 93,353,416,655.06/416,089.32
  6. Step 6: Final answer
    x = 224,359.08

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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.