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Finding the Fourth Proportional to 400,528.70, 600,793.05 and 243,064.70

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Solution

The fourth proportional to 400,528.70, 600,793.05 and 243,064.70 is: 364,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,528.70 : 600,793.05 = 243,064.70 : x
  2. Step 2: Convert to fraction form
    400,528.70/600,793.05 = 243,064.70/x
  3. Step 3: Cross multiply
    400,528.70x = 600,793.05 × 243,064.70
  4. Step 4: Simplify right side
    400,528.70x = 146,031,582,460.34
  5. Step 5: Solve for x
    x = 146,031,582,460.34/400,528.70
  6. Step 6: Final answer
    x = 364,597.05

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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.