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Finding the Fourth Proportional to 653,613.93, 980,142.26 and 248,737.05

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Solution

The fourth proportional to 653,613.93, 980,142.26 and 248,737.05 is: 372,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,613.93 : 980,142.26 = 248,737.05 : x
  2. Step 2: Convert to fraction form
    653,613.93/980,142.26 = 248,737.05/x
  3. Step 3: Cross multiply
    653,613.93x = 980,142.26 × 248,737.05
  4. Step 4: Simplify right side
    653,613.93x = 243,797,693,089.05
  5. Step 5: Solve for x
    x = 243,797,693,089.05/653,613.93
  6. Step 6: Final answer
    x = 372,999.54

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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.