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Finding the Fourth Proportional to 331,657.00, 457,699.01 and 188,441.30

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Solution

The fourth proportional to 331,657.00, 457,699.01 and 188,441.30 is: 260,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,657.00 : 457,699.01 = 188,441.30 : x
  2. Step 2: Convert to fraction form
    331,657.00/457,699.01 = 188,441.30/x
  3. Step 3: Cross multiply
    331,657.00x = 457,699.01 × 188,441.30
  4. Step 4: Simplify right side
    331,657.00x = 86,249,396,655.15
  5. Step 5: Solve for x
    x = 86,249,396,655.15/331,657.00
  6. Step 6: Final answer
    x = 260,056.01

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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.