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Finding the Fourth Proportional to 692,305.92, 955,536 and 450,167.04

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Solution

The fourth proportional to 692,305.92, 955,536 and 450,167.04 is: 621,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,305.92 : 955,536 = 450,167.04 : x
  2. Step 2: Convert to fraction form
    692,305.92/955,536 = 450,167.04/x
  3. Step 3: Cross multiply
    692,305.92x = 955,536 × 450,167.04
  4. Step 4: Simplify right side
    692,305.92x = 430,150,812,733.44
  5. Step 5: Solve for x
    x = 430,150,812,733.44/692,305.92
  6. Step 6: Final answer
    x = 621,330.54

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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.