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Finding the Fourth Proportional to 700,200.34, 966,394.48 and 405,806.26

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Solution

The fourth proportional to 700,200.34, 966,394.48 and 405,806.26 is: 560,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,200.34 : 966,394.48 = 405,806.26 : x
  2. Step 2: Convert to fraction form
    700,200.34/966,394.48 = 405,806.26/x
  3. Step 3: Cross multiply
    700,200.34x = 966,394.48 × 405,806.26
  4. Step 4: Simplify right side
    700,200.34x = 392,168,929,613.45
  5. Step 5: Solve for x
    x = 392,168,929,613.45/700,200.34
  6. Step 6: Final answer
    x = 560,081.03

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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.