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Finding the Fourth Proportional to 600,086.40, 828,230.04 and 385,494.72

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Solution

The fourth proportional to 600,086.40, 828,230.04 and 385,494.72 is: 532,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,086.40 : 828,230.04 = 385,494.72 : x
  2. Step 2: Convert to fraction form
    600,086.40/828,230.04 = 385,494.72/x
  3. Step 3: Cross multiply
    600,086.40x = 828,230.04 × 385,494.72
  4. Step 4: Simplify right side
    600,086.40x = 319,278,307,365.39
  5. Step 5: Solve for x
    x = 319,278,307,365.39/600,086.40
  6. Step 6: Final answer
    x = 532,053.90

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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.