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Finding the Fourth Proportional to 532,946.20, 800,196.90 and 218,018.20

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Solution

The fourth proportional to 532,946.20, 800,196.90 and 218,018.20 is: 327,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,946.20 : 800,196.90 = 218,018.20 : x
  2. Step 2: Convert to fraction form
    532,946.20/800,196.90 = 218,018.20/x
  3. Step 3: Cross multiply
    532,946.20x = 800,196.90 × 218,018.20
  4. Step 4: Simplify right side
    532,946.20x = 174,457,487,783.58
  5. Step 5: Solve for x
    x = 174,457,487,783.58/532,946.20
  6. Step 6: Final answer
    x = 327,345.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.