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Finding the Fourth Proportional to 566,858.25, 782,264.39 and 312,209.44

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Solution

The fourth proportional to 566,858.25, 782,264.39 and 312,209.44 is: 430,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,858.25 : 782,264.39 = 312,209.44 : x
  2. Step 2: Convert to fraction form
    566,858.25/782,264.39 = 312,209.44/x
  3. Step 3: Cross multiply
    566,858.25x = 782,264.39 × 312,209.44
  4. Step 4: Simplify right side
    566,858.25x = 244,230,323,617.13
  5. Step 5: Solve for x
    x = 244,230,323,617.13/566,858.25
  6. Step 6: Final answer
    x = 430,849.02

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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.