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Finding the Fourth Proportional to 688,504.80, 950,117.67 and 382,573.27

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Solution

The fourth proportional to 688,504.80, 950,117.67 and 382,573.27 is: 527,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,504.80 : 950,117.67 = 382,573.27 : x
  2. Step 2: Convert to fraction form
    688,504.80/950,117.67 = 382,573.27/x
  3. Step 3: Cross multiply
    688,504.80x = 950,117.67 × 382,573.27
  4. Step 4: Simplify right side
    688,504.80x = 363,489,621,521.39
  5. Step 5: Solve for x
    x = 363,489,621,521.39/688,504.80
  6. Step 6: Final answer
    x = 527,940.58

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1.5x scale

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.