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Finding the Fourth Proportional to 384,009.58, 529,933.35 and 214,240.06

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Solution

The fourth proportional to 384,009.58, 529,933.35 and 214,240.06 is: 295,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,009.58 : 529,933.35 = 214,240.06 : x
  2. Step 2: Convert to fraction form
    384,009.58/529,933.35 = 214,240.06/x
  3. Step 3: Cross multiply
    384,009.58x = 529,933.35 × 214,240.06
  4. Step 4: Simplify right side
    384,009.58x = 113,532,952,700.00
  5. Step 5: Solve for x
    x = 113,532,952,700.00/384,009.58
  6. Step 6: Final answer
    x = 295,651.36

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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.