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Finding the Fourth Proportional to 284,304.11, 392,175.20 and 183,702.11

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Solution

The fourth proportional to 284,304.11, 392,175.20 and 183,702.11 is: 253,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,304.11 : 392,175.20 = 183,702.11 : x
  2. Step 2: Convert to fraction form
    284,304.11/392,175.20 = 183,702.11/x
  3. Step 3: Cross multiply
    284,304.11x = 392,175.20 × 183,702.11
  4. Step 4: Simplify right side
    284,304.11x = 72,043,410,228.05
  5. Step 5: Solve for x
    x = 72,043,410,228.05/284,304.11
  6. Step 6: Final answer
    x = 253,402.64

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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.