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Finding the Fourth Proportional to 360,362.16, 540,556.32 and 123,703.44

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Solution

The fourth proportional to 360,362.16, 540,556.32 and 123,703.44 is: 185,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,362.16 : 540,556.32 = 123,703.44 : x
  2. Step 2: Convert to fraction form
    360,362.16/540,556.32 = 123,703.44/x
  3. Step 3: Cross multiply
    360,362.16x = 540,556.32 × 123,703.44
  4. Step 4: Simplify right side
    360,362.16x = 66,868,676,297.74
  5. Step 5: Solve for x
    x = 66,868,676,297.74/360,362.16
  6. Step 6: Final answer
    x = 185,559.65

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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.