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Finding the Fourth Proportional to 513,556.64, 770,184.44 and 193,477.57

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Solution

The fourth proportional to 513,556.64, 770,184.44 and 193,477.57 is: 290,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,556.64 : 770,184.44 = 193,477.57 : x
  2. Step 2: Convert to fraction form
    513,556.64/770,184.44 = 193,477.57/x
  3. Step 3: Cross multiply
    513,556.64x = 770,184.44 × 193,477.57
  4. Step 4: Simplify right side
    513,556.64x = 149,013,412,461.24
  5. Step 5: Solve for x
    x = 149,013,412,461.24/513,556.64
  6. Step 6: Final answer
    x = 290,159.64

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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.