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Finding the Fourth Proportional to 647,526.48, 971,056.44 and 273,578.64

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Solution

The fourth proportional to 647,526.48, 971,056.44 and 273,578.64 is: 410,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,526.48 : 971,056.44 = 273,578.64 : x
  2. Step 2: Convert to fraction form
    647,526.48/971,056.44 = 273,578.64/x
  3. Step 3: Cross multiply
    647,526.48x = 971,056.44 × 273,578.64
  4. Step 4: Simplify right side
    647,526.48x = 265,660,300,218.44
  5. Step 5: Solve for x
    x = 265,660,300,218.44/647,526.48
  6. Step 6: Final answer
    x = 410,269.40

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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.