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Finding the Fourth Proportional to 594,311.40, 820,023.60 and 352,672.60

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Solution

The fourth proportional to 594,311.40, 820,023.60 and 352,672.60 is: 486,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,311.40 : 820,023.60 = 352,672.60 : x
  2. Step 2: Convert to fraction form
    594,311.40/820,023.60 = 352,672.60/x
  3. Step 3: Cross multiply
    594,311.40x = 820,023.60 × 352,672.60
  4. Step 4: Simplify right side
    594,311.40x = 289,199,855,073.36
  5. Step 5: Solve for x
    x = 289,199,855,073.36/594,311.40
  6. Step 6: Final answer
    x = 486,613.34

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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.