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Finding the Fourth Proportional to 566,858.82, 782,229.27 and 312,210.01

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Solution

The fourth proportional to 566,858.82, 782,229.27 and 312,210.01 is: 430,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,858.82 : 782,229.27 = 312,210.01 : x
  2. Step 2: Convert to fraction form
    566,858.82/782,229.27 = 312,210.01/x
  3. Step 3: Cross multiply
    566,858.82x = 782,229.27 × 312,210.01
  4. Step 4: Simplify right side
    566,858.82x = 244,219,802,736.80
  5. Step 5: Solve for x
    x = 244,219,802,736.80/566,858.82
  6. Step 6: Final answer
    x = 430,830.03

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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.