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Finding the Fourth Proportional to 446,677.20, 670,015.80 and 404,686.80

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Solution

The fourth proportional to 446,677.20, 670,015.80 and 404,686.80 is: 607,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,677.20 : 670,015.80 = 404,686.80 : x
  2. Step 2: Convert to fraction form
    446,677.20/670,015.80 = 404,686.80/x
  3. Step 3: Cross multiply
    446,677.20x = 670,015.80 × 404,686.80
  4. Step 4: Simplify right side
    446,677.20x = 271,146,550,051.44
  5. Step 5: Solve for x
    x = 271,146,550,051.44/446,677.20
  6. Step 6: Final answer
    x = 607,030.20

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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.