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Finding the Fourth Proportional to 284,475.62, 392,587.62 and 163,616.76

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Solution

The fourth proportional to 284,475.62, 392,587.62 and 163,616.76 is: 225,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,475.62 : 392,587.62 = 163,616.76 : x
  2. Step 2: Convert to fraction form
    284,475.62/392,587.62 = 163,616.76/x
  3. Step 3: Cross multiply
    284,475.62x = 392,587.62 × 163,616.76
  4. Step 4: Simplify right side
    284,475.62x = 64,233,914,400.51
  5. Step 5: Solve for x
    x = 64,233,914,400.51/284,475.62
  6. Step 6: Final answer
    x = 225,797.61

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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.