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Finding the Fourth Proportional to 885,451.10, 1,331,129.10 and 755,543.30

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Solution

The fourth proportional to 885,451.10, 1,331,129.10 and 755,543.30 is: 1,135,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,451.10 : 1,331,129.10 = 755,543.30 : x
  2. Step 2: Convert to fraction form
    885,451.10/1,331,129.10 = 755,543.30/x
  3. Step 3: Cross multiply
    885,451.10x = 1,331,129.10 × 755,543.30
  4. Step 4: Simplify right side
    885,451.10x = 1,005,725,672,940.03
  5. Step 5: Solve for x
    x = 1,005,725,672,940.03/885,451.10
  6. Step 6: Final answer
    x = 1,135,834.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.