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Finding the Fourth Proportional to 750,843.38, 1,036,164.05 and 411,323.70

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Solution

The fourth proportional to 750,843.38, 1,036,164.05 and 411,323.70 is: 567,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,843.38 : 1,036,164.05 = 411,323.70 : x
  2. Step 2: Convert to fraction form
    750,843.38/1,036,164.05 = 411,323.70/x
  3. Step 3: Cross multiply
    750,843.38x = 1,036,164.05 × 411,323.70
  4. Step 4: Simplify right side
    750,843.38x = 426,198,830,852.99
  5. Step 5: Solve for x
    x = 426,198,830,852.99/750,843.38
  6. Step 6: Final answer
    x = 567,626.81

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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.