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Finding the Fourth Proportional to 966,375.36, 1,333,659.69 and 536,655.42

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Solution

The fourth proportional to 966,375.36, 1,333,659.69 and 536,655.42 is: 740,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,375.36 : 1,333,659.69 = 536,655.42 : x
  2. Step 2: Convert to fraction form
    966,375.36/1,333,659.69 = 536,655.42/x
  3. Step 3: Cross multiply
    966,375.36x = 1,333,659.69 × 536,655.42
  4. Step 4: Simplify right side
    966,375.36x = 715,715,701,074.02
  5. Step 5: Solve for x
    x = 715,715,701,074.02/966,375.36
  6. Step 6: Final answer
    x = 740,618.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.