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Finding the Fourth Proportional to 936,003.80, 1,404,005.70 and 404,562.80

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Solution

The fourth proportional to 936,003.80, 1,404,005.70 and 404,562.80 is: 606,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,003.80 : 1,404,005.70 = 404,562.80 : x
  2. Step 2: Convert to fraction form
    936,003.80/1,404,005.70 = 404,562.80/x
  3. Step 3: Cross multiply
    936,003.80x = 1,404,005.70 × 404,562.80
  4. Step 4: Simplify right side
    936,003.80x = 568,008,477,207.96
  5. Step 5: Solve for x
    x = 568,008,477,207.96/936,003.80
  6. Step 6: Final answer
    x = 606,844.20

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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.