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Finding the Fourth Proportional to 535,894.91, 739,515.84 and 303,316.86

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Solution

The fourth proportional to 535,894.91, 739,515.84 and 303,316.86 is: 418,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,894.91 : 739,515.84 = 303,316.86 : x
  2. Step 2: Convert to fraction form
    535,894.91/739,515.84 = 303,316.86/x
  3. Step 3: Cross multiply
    535,894.91x = 739,515.84 × 303,316.86
  4. Step 4: Simplify right side
    535,894.91x = 224,307,622,850.97
  5. Step 5: Solve for x
    x = 224,307,622,850.97/535,894.91
  6. Step 6: Final answer
    x = 418,566.44

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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.