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Finding the Fourth Proportional to 408,480.76, 563,663.96 and 236,364.40

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Solution

The fourth proportional to 408,480.76, 563,663.96 and 236,364.40 is: 326,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,480.76 : 563,663.96 = 236,364.40 : x
  2. Step 2: Convert to fraction form
    408,480.76/563,663.96 = 236,364.40/x
  3. Step 3: Cross multiply
    408,480.76x = 563,663.96 × 236,364.40
  4. Step 4: Simplify right side
    408,480.76x = 133,230,093,707.02
  5. Step 5: Solve for x
    x = 133,230,093,707.02/408,480.76
  6. Step 6: Final answer
    x = 326,160.02

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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.