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Finding the Fourth Proportional to 416,210.67, 624,316.31 and 100,667.88

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Solution

The fourth proportional to 416,210.67, 624,316.31 and 100,667.88 is: 151,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,210.67 : 624,316.31 = 100,667.88 : x
  2. Step 2: Convert to fraction form
    416,210.67/624,316.31 = 100,667.88/x
  3. Step 3: Cross multiply
    416,210.67x = 624,316.31 × 100,667.88
  4. Step 4: Simplify right side
    416,210.67x = 62,848,599,251.29
  5. Step 5: Solve for x
    x = 62,848,599,251.29/416,210.67
  6. Step 6: Final answer
    x = 151,001.89

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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.