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Finding the Fourth Proportional to 403,967.67, 605,951.51 and 123,482.49

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Solution

The fourth proportional to 403,967.67, 605,951.51 and 123,482.49 is: 185,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,967.67 : 605,951.51 = 123,482.49 : x
  2. Step 2: Convert to fraction form
    403,967.67/605,951.51 = 123,482.49/x
  3. Step 3: Cross multiply
    403,967.67x = 605,951.51 × 123,482.49
  4. Step 4: Simplify right side
    403,967.67x = 74,824,400,656.65
  5. Step 5: Solve for x
    x = 74,824,400,656.65/403,967.67
  6. Step 6: Final answer
    x = 185,223.74

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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.