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Finding the Fourth Proportional to 269,000.40, 403,354.80 and 111,050.40

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Solution

The fourth proportional to 269,000.40, 403,354.80 and 111,050.40 is: 166,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,000.40 : 403,354.80 = 111,050.40 : x
  2. Step 2: Convert to fraction form
    269,000.40/403,354.80 = 111,050.40/x
  3. Step 3: Cross multiply
    269,000.40x = 403,354.80 × 111,050.40
  4. Step 4: Simplify right side
    269,000.40x = 44,792,711,881.92
  5. Step 5: Solve for x
    x = 44,792,711,881.92/269,000.40
  6. Step 6: Final answer
    x = 166,515.41

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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.