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Finding the Fourth Proportional to 529,031.89, 793,441.72 and 259,043.73

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Solution

The fourth proportional to 529,031.89, 793,441.72 and 259,043.73 is: 388,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,031.89 : 793,441.72 = 259,043.73 : x
  2. Step 2: Convert to fraction form
    529,031.89/793,441.72 = 259,043.73/x
  3. Step 3: Cross multiply
    529,031.89x = 793,441.72 × 259,043.73
  4. Step 4: Simplify right side
    529,031.89x = 205,536,102,686.42
  5. Step 5: Solve for x
    x = 205,536,102,686.42/529,031.89
  6. Step 6: Final answer
    x = 388,513.64

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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.