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Finding the Fourth Proportional to 408,663.64, 563,946.98 and 236,588.88

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Solution

The fourth proportional to 408,663.64, 563,946.98 and 236,588.88 is: 326,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,663.64 : 563,946.98 = 236,588.88 : x
  2. Step 2: Convert to fraction form
    408,663.64/563,946.98 = 236,588.88/x
  3. Step 3: Cross multiply
    408,663.64x = 563,946.98 × 236,588.88
  4. Step 4: Simplify right side
    408,663.64x = 133,423,584,377.58
  5. Step 5: Solve for x
    x = 133,423,584,377.58/408,663.64
  6. Step 6: Final answer
    x = 326,487.53

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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.