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Finding the Fourth Proportional to 353,275.12, 529,900.28 and 100,556.94

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Solution

The fourth proportional to 353,275.12, 529,900.28 and 100,556.94 is: 150,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,275.12 : 529,900.28 = 100,556.94 : x
  2. Step 2: Convert to fraction form
    353,275.12/529,900.28 = 100,556.94/x
  3. Step 3: Cross multiply
    353,275.12x = 529,900.28 × 100,556.94
  4. Step 4: Simplify right side
    353,275.12x = 53,285,152,523.37
  5. Step 5: Solve for x
    x = 53,285,152,523.37/353,275.12
  6. Step 6: Final answer
    x = 150,831.89

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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.