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Finding the Fourth Proportional to 284,046.98, 392,126.88 and 176,651.62

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Solution

The fourth proportional to 284,046.98, 392,126.88 and 176,651.62 is: 243,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,046.98 : 392,126.88 = 176,651.62 : x
  2. Step 2: Convert to fraction form
    284,046.98/392,126.88 = 176,651.62/x
  3. Step 3: Cross multiply
    284,046.98x = 392,126.88 × 176,651.62
  4. Step 4: Simplify right side
    284,046.98x = 69,269,848,597.55
  5. Step 5: Solve for x
    x = 69,269,848,597.55/284,046.98
  6. Step 6: Final answer
    x = 243,867.58

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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.