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Finding the Fourth Proportional to 493,771.98, 681,217.47 and 365,019.57

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Solution

The fourth proportional to 493,771.98, 681,217.47 and 365,019.57 is: 503,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,771.98 : 681,217.47 = 365,019.57 : x
  2. Step 2: Convert to fraction form
    493,771.98/681,217.47 = 365,019.57/x
  3. Step 3: Cross multiply
    493,771.98x = 681,217.47 × 365,019.57
  4. Step 4: Simplify right side
    493,771.98x = 248,657,707,975.89
  5. Step 5: Solve for x
    x = 248,657,707,975.89/493,771.98
  6. Step 6: Final answer
    x = 503,588.13

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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.