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Finding the Fourth Proportional to 538,863.90, 808,219.05 and 183,894.30

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Solution

The fourth proportional to 538,863.90, 808,219.05 and 183,894.30 is: 275,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,863.90 : 808,219.05 = 183,894.30 : x
  2. Step 2: Convert to fraction form
    538,863.90/808,219.05 = 183,894.30/x
  3. Step 3: Cross multiply
    538,863.90x = 808,219.05 × 183,894.30
  4. Step 4: Simplify right side
    538,863.90x = 148,626,876,446.42
  5. Step 5: Solve for x
    x = 148,626,876,446.42/538,863.90
  6. Step 6: Final answer
    x = 275,815.24

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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.