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Finding the Fourth Proportional to 284,060.82, 392,003.64 and 156,736.41

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Solution

The fourth proportional to 284,060.82, 392,003.64 and 156,736.41 is: 216,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,060.82 : 392,003.64 = 156,736.41 : x
  2. Step 2: Convert to fraction form
    284,060.82/392,003.64 = 156,736.41/x
  3. Step 3: Cross multiply
    284,060.82x = 392,003.64 × 156,736.41
  4. Step 4: Simplify right side
    284,060.82x = 61,441,243,240.53
  5. Step 5: Solve for x
    x = 61,441,243,240.53/284,060.82
  6. Step 6: Final answer
    x = 216,296.08

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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.