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Finding the Fourth Proportional to 673,362, 929,259 and 371,575.44

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Solution

The fourth proportional to 673,362, 929,259 and 371,575.44 is: 512,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,362 : 929,259 = 371,575.44 : x
  2. Step 2: Convert to fraction form
    673,362/929,259 = 371,575.44/x
  3. Step 3: Cross multiply
    673,362x = 929,259 × 371,575.44
  4. Step 4: Simplify right side
    673,362x = 345,289,821,798.96
  5. Step 5: Solve for x
    x = 345,289,821,798.96/673,362
  6. Step 6: Final answer
    x = 512,784.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.