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Finding the Fourth Proportional to 529,064.10, 794,114.55 and 263,124.90

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Solution

The fourth proportional to 529,064.10, 794,114.55 and 263,124.90 is: 394,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,064.10 : 794,114.55 = 263,124.90 : x
  2. Step 2: Convert to fraction form
    529,064.10/794,114.55 = 263,124.90/x
  3. Step 3: Cross multiply
    529,064.10x = 794,114.55 × 263,124.90
  4. Step 4: Simplify right side
    529,064.10x = 208,951,311,557.30
  5. Step 5: Solve for x
    x = 208,951,311,557.30/529,064.10
  6. Step 6: Final answer
    x = 394,945.17

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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.