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Finding the Fourth Proportional to 668,818.32, 1,003,208.04 and 195,514.80

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Solution

The fourth proportional to 668,818.32, 1,003,208.04 and 195,514.80 is: 293,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,818.32 : 1,003,208.04 = 195,514.80 : x
  2. Step 2: Convert to fraction form
    668,818.32/1,003,208.04 = 195,514.80/x
  3. Step 3: Cross multiply
    668,818.32x = 1,003,208.04 × 195,514.80
  4. Step 4: Simplify right side
    668,818.32x = 196,142,019,298.99
  5. Step 5: Solve for x
    x = 196,142,019,298.99/668,818.32
  6. Step 6: Final answer
    x = 293,266.52

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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.