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Finding the Fourth Proportional to 307,597.20, 461,590.20 and 181,237.20

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Solution

The fourth proportional to 307,597.20, 461,590.20 and 181,237.20 is: 271,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,597.20 : 461,590.20 = 181,237.20 : x
  2. Step 2: Convert to fraction form
    307,597.20/461,590.20 = 181,237.20/x
  3. Step 3: Cross multiply
    307,597.20x = 461,590.20 × 181,237.20
  4. Step 4: Simplify right side
    307,597.20x = 83,657,315,395.44
  5. Step 5: Solve for x
    x = 83,657,315,395.44/307,597.20
  6. Step 6: Final answer
    x = 271,970.34

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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.