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Finding the Fourth Proportional to 342,567.72, 513,556.32 and 164,830.23

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Solution

The fourth proportional to 342,567.72, 513,556.32 and 164,830.23 is: 247,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,567.72 : 513,556.32 = 164,830.23 : x
  2. Step 2: Convert to fraction form
    342,567.72/513,556.32 = 164,830.23/x
  3. Step 3: Cross multiply
    342,567.72x = 513,556.32 × 164,830.23
  4. Step 4: Simplify right side
    342,567.72x = 84,649,606,343.55
  5. Step 5: Solve for x
    x = 84,649,606,343.55/342,567.72
  6. Step 6: Final answer
    x = 247,103.28

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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.