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Finding the Fourth Proportional to 351,336.42, 527,019.12 and 102,018.42

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Solution

The fourth proportional to 351,336.42, 527,019.12 and 102,018.42 is: 153,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,336.42 : 527,019.12 = 102,018.42 : x
  2. Step 2: Convert to fraction form
    351,336.42/527,019.12 = 102,018.42/x
  3. Step 3: Cross multiply
    351,336.42x = 527,019.12 × 102,018.42
  4. Step 4: Simplify right side
    351,336.42x = 53,765,657,932.19
  5. Step 5: Solve for x
    x = 53,765,657,932.19/351,336.42
  6. Step 6: Final answer
    x = 153,031.84

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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.