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Finding the Fourth Proportional to 284,151.82, 392,127.58 and 156,827.41

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Solution

The fourth proportional to 284,151.82, 392,127.58 and 156,827.41 is: 216,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,151.82 : 392,127.58 = 156,827.41 : x
  2. Step 2: Convert to fraction form
    284,151.82/392,127.58 = 156,827.41/x
  3. Step 3: Cross multiply
    284,151.82x = 392,127.58 × 156,827.41
  4. Step 4: Simplify right side
    284,151.82x = 61,496,352,760.97
  5. Step 5: Solve for x
    x = 61,496,352,760.97/284,151.82
  6. Step 6: Final answer
    x = 216,420.76

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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.