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Finding the Fourth Proportional to 432,752.28, 649,121.40 and 166,570.64

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Solution

The fourth proportional to 432,752.28, 649,121.40 and 166,570.64 is: 249,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,752.28 : 649,121.40 = 166,570.64 : x
  2. Step 2: Convert to fraction form
    432,752.28/649,121.40 = 166,570.64/x
  3. Step 3: Cross multiply
    432,752.28x = 649,121.40 × 166,570.64
  4. Step 4: Simplify right side
    432,752.28x = 108,124,567,035.70
  5. Step 5: Solve for x
    x = 108,124,567,035.70/432,752.28
  6. Step 6: Final answer
    x = 249,853.26

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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.