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Finding the Fourth Proportional to 966,266.64, 1,333,403.28 and 536,574

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Solution

The fourth proportional to 966,266.64, 1,333,403.28 and 536,574 is: 740,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,266.64 : 1,333,403.28 = 536,574 : x
  2. Step 2: Convert to fraction form
    966,266.64/1,333,403.28 = 536,574/x
  3. Step 3: Cross multiply
    966,266.64x = 1,333,403.28 × 536,574
  4. Step 4: Simplify right side
    966,266.64x = 715,469,531,562.72
  5. Step 5: Solve for x
    x = 715,469,531,562.72/966,266.64
  6. Step 6: Final answer
    x = 740,447.31

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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.