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Finding the Fourth Proportional to 401,259.66, 601,891.80 and 101,740.89

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Solution

The fourth proportional to 401,259.66, 601,891.80 and 101,740.89 is: 152,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,259.66 : 601,891.80 = 101,740.89 : x
  2. Step 2: Convert to fraction form
    401,259.66/601,891.80 = 101,740.89/x
  3. Step 3: Cross multiply
    401,259.66x = 601,891.80 × 101,740.89
  4. Step 4: Simplify right side
    401,259.66x = 61,237,007,415.70
  5. Step 5: Solve for x
    x = 61,237,007,415.70/401,259.66
  6. Step 6: Final answer
    x = 152,611.92

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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.