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Finding the Fourth Proportional to 565,556.54, 848,723.65 and 210,854.30

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Solution

The fourth proportional to 565,556.54, 848,723.65 and 210,854.30 is: 316,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,556.54 : 848,723.65 = 210,854.30 : x
  2. Step 2: Convert to fraction form
    565,556.54/848,723.65 = 210,854.30/x
  3. Step 3: Cross multiply
    565,556.54x = 848,723.65 × 210,854.30
  4. Step 4: Simplify right side
    565,556.54x = 178,957,031,114.20
  5. Step 5: Solve for x
    x = 178,957,031,114.20/565,556.54
  6. Step 6: Final answer
    x = 316,426.42

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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.