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Finding the Fourth Proportional to 403,953.93, 605,951.69 and 104,437.10

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Solution

The fourth proportional to 403,953.93, 605,951.69 and 104,437.10 is: 156,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,953.93 : 605,951.69 = 104,437.10 : x
  2. Step 2: Convert to fraction form
    403,953.93/605,951.69 = 104,437.10/x
  3. Step 3: Cross multiply
    403,953.93x = 605,951.69 × 104,437.10
  4. Step 4: Simplify right side
    403,953.93x = 63,283,838,236.39
  5. Step 5: Solve for x
    x = 63,283,838,236.39/403,953.93
  6. Step 6: Final answer
    x = 156,661.03

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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.