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Finding the Fourth Proportional to 692,167.68, 955,214.28 and 401,757.48

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Solution

The fourth proportional to 692,167.68, 955,214.28 and 401,757.48 is: 554,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,167.68 : 955,214.28 = 401,757.48 : x
  2. Step 2: Convert to fraction form
    692,167.68/955,214.28 = 401,757.48/x
  3. Step 3: Cross multiply
    692,167.68x = 955,214.28 × 401,757.48
  4. Step 4: Simplify right side
    692,167.68x = 383,764,481,992.81
  5. Step 5: Solve for x
    x = 383,764,481,992.81/692,167.68
  6. Step 6: Final answer
    x = 554,438.60

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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.