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Finding the Fourth Proportional to 575,297.20, 863,982.60 and 556,634.80

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Solution

The fourth proportional to 575,297.20, 863,982.60 and 556,634.80 is: 835,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,297.20 : 863,982.60 = 556,634.80 : x
  2. Step 2: Convert to fraction form
    575,297.20/863,982.60 = 556,634.80/x
  3. Step 3: Cross multiply
    575,297.20x = 863,982.60 × 556,634.80
  4. Step 4: Simplify right side
    575,297.20x = 480,922,781,754.48
  5. Step 5: Solve for x
    x = 480,922,781,754.48/575,297.20
  6. Step 6: Final answer
    x = 835,955.37

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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.