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Finding the Fourth Proportional to 578,651.46, 800,062.79 and 506,825.39

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Solution

The fourth proportional to 578,651.46, 800,062.79 and 506,825.39 is: 700,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,651.46 : 800,062.79 = 506,825.39 : x
  2. Step 2: Convert to fraction form
    578,651.46/800,062.79 = 506,825.39/x
  3. Step 3: Cross multiply
    578,651.46x = 800,062.79 × 506,825.39
  4. Step 4: Simplify right side
    578,651.46x = 405,492,135,566.24
  5. Step 5: Solve for x
    x = 405,492,135,566.24/578,651.46
  6. Step 6: Final answer
    x = 700,753.67

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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.