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Finding the Fourth Proportional to 808,550.80, 1,133,630 and 808,550.80

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Solution

The fourth proportional to 808,550.80, 1,133,630 and 808,550.80 is: 1,133,630

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,550.80 : 1,133,630 = 808,550.80 : x
  2. Step 2: Convert to fraction form
    808,550.80/1,133,630 = 808,550.80/x
  3. Step 3: Cross multiply
    808,550.80x = 1,133,630 × 808,550.80
  4. Step 4: Simplify right side
    808,550.80x = 916,597,443,404
  5. Step 5: Solve for x
    x = 916,597,443,404/808,550.80
  6. Step 6: Final answer
    x = 1,133,630

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.