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Finding the Fourth Proportional to 556,234.90, 834,157.95 and 289,906.90

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Solution

The fourth proportional to 556,234.90, 834,157.95 and 289,906.90 is: 434,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,234.90 : 834,157.95 = 289,906.90 : x
  2. Step 2: Convert to fraction form
    556,234.90/834,157.95 = 289,906.90/x
  3. Step 3: Cross multiply
    556,234.90x = 834,157.95 × 289,906.90
  4. Step 4: Simplify right side
    556,234.90x = 241,828,145,394.86
  5. Step 5: Solve for x
    x = 241,828,145,394.86/556,234.90
  6. Step 6: Final answer
    x = 434,759.03

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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.