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Finding the Fourth Proportional to 692,333.40, 955,926.42 and 447,463.13

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Solution

The fourth proportional to 692,333.40, 955,926.42 and 447,463.13 is: 617,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,333.40 : 955,926.42 = 447,463.13 : x
  2. Step 2: Convert to fraction form
    692,333.40/955,926.42 = 447,463.13/x
  3. Step 3: Cross multiply
    692,333.40x = 955,926.42 × 447,463.13
  4. Step 4: Simplify right side
    692,333.40x = 427,741,823,163.26
  5. Step 5: Solve for x
    x = 427,741,823,163.26/692,333.40
  6. Step 6: Final answer
    x = 617,826.36

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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.