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Finding the Fourth Proportional to 284,367.42, 392,426.52 and 163,532.04

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Solution

The fourth proportional to 284,367.42, 392,426.52 and 163,532.04 is: 225,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,367.42 : 392,426.52 = 163,532.04 : x
  2. Step 2: Convert to fraction form
    284,367.42/392,426.52 = 163,532.04/x
  3. Step 3: Cross multiply
    284,367.42x = 392,426.52 × 163,532.04
  4. Step 4: Simplify right side
    284,367.42x = 64,174,309,365.70
  5. Step 5: Solve for x
    x = 64,174,309,365.70/284,367.42
  6. Step 6: Final answer
    x = 225,673.92

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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.