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Finding the Fourth Proportional to 671,603.49, 926,513.37 and 453,742.11

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Solution

The fourth proportional to 671,603.49, 926,513.37 and 453,742.11 is: 625,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,603.49 : 926,513.37 = 453,742.11 : x
  2. Step 2: Convert to fraction form
    671,603.49/926,513.37 = 453,742.11/x
  3. Step 3: Cross multiply
    671,603.49x = 926,513.37 × 453,742.11
  4. Step 4: Simplify right side
    671,603.49x = 420,398,131,447.01
  5. Step 5: Solve for x
    x = 420,398,131,447.01/671,603.49
  6. Step 6: Final answer
    x = 625,961.80

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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.