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Finding the Fourth Proportional to 499,333.66, 689,030.94 and 284,460.92

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Solution

The fourth proportional to 499,333.66, 689,030.94 and 284,460.92 is: 392,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,333.66 : 689,030.94 = 284,460.92 : x
  2. Step 2: Convert to fraction form
    499,333.66/689,030.94 = 284,460.92/x
  3. Step 3: Cross multiply
    499,333.66x = 689,030.94 × 284,460.92
  4. Step 4: Simplify right side
    499,333.66x = 196,002,375,100.87
  5. Step 5: Solve for x
    x = 196,002,375,100.87/499,333.66
  6. Step 6: Final answer
    x = 392,527.86

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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.