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Finding the Fourth Proportional to 407,960.70, 612,070.65 and 183,234.30

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Solution

The fourth proportional to 407,960.70, 612,070.65 and 183,234.30 is: 274,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,960.70 : 612,070.65 = 183,234.30 : x
  2. Step 2: Convert to fraction form
    407,960.70/612,070.65 = 183,234.30/x
  3. Step 3: Cross multiply
    407,960.70x = 612,070.65 × 183,234.30
  4. Step 4: Simplify right side
    407,960.70x = 112,152,337,103.30
  5. Step 5: Solve for x
    x = 112,152,337,103.30/407,960.70
  6. Step 6: Final answer
    x = 274,909.66

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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.