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Finding the Fourth Proportional to 961,336.84, 1,326,653.46 and 531,646

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Solution

The fourth proportional to 961,336.84, 1,326,653.46 and 531,646 is: 733,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,336.84 : 1,326,653.46 = 531,646 : x
  2. Step 2: Convert to fraction form
    961,336.84/1,326,653.46 = 531,646/x
  3. Step 3: Cross multiply
    961,336.84x = 1,326,653.46 × 531,646
  4. Step 4: Simplify right side
    961,336.84x = 705,310,005,395.16
  5. Step 5: Solve for x
    x = 705,310,005,395.16/961,336.84
  6. Step 6: Final answer
    x = 733,676.25

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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.