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Finding the Fourth Proportional to 591,403.50, 816,138.09 and 336,754.89

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Solution

The fourth proportional to 591,403.50, 816,138.09 and 336,754.89 is: 464,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,403.50 : 816,138.09 = 336,754.89 : x
  2. Step 2: Convert to fraction form
    591,403.50/816,138.09 = 336,754.89/x
  3. Step 3: Cross multiply
    591,403.50x = 816,138.09 × 336,754.89
  4. Step 4: Simplify right side
    591,403.50x = 274,838,492,722.76
  5. Step 5: Solve for x
    x = 274,838,492,722.76/591,403.50
  6. Step 6: Final answer
    x = 464,722.47

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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.