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Finding the Fourth Proportional to 654,850.44, 903,612.78 and 413,041.68

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Solution

The fourth proportional to 654,850.44, 903,612.78 and 413,041.68 is: 569,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,850.44 : 903,612.78 = 413,041.68 : x
  2. Step 2: Convert to fraction form
    654,850.44/903,612.78 = 413,041.68/x
  3. Step 3: Cross multiply
    654,850.44x = 903,612.78 × 413,041.68
  4. Step 4: Simplify right side
    654,850.44x = 373,229,740,720.67
  5. Step 5: Solve for x
    x = 373,229,740,720.67/654,850.44
  6. Step 6: Final answer
    x = 569,946.54

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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.